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Finding the Fourth Proportional to 18,547.96, 25,605.06 and 10,588.65

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Solution

The fourth proportional to 18,547.96, 25,605.06 and 10,588.65 is: 14,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.96 : 25,605.06 = 10,588.65 : x
  2. Step 2: Convert to fraction form
    18,547.96/25,605.06 = 10,588.65/x
  3. Step 3: Cross multiply
    18,547.96x = 25,605.06 × 10,588.65
  4. Step 4: Simplify right side
    18,547.96x = 271,122,965.63
  5. Step 5: Solve for x
    x = 271,122,965.63/18,547.96
  6. Step 6: Final answer
    x = 14,617.40

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Half scale
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Double scale
Find fourth proportional to 18,548.96, 25,606.44 and 10,589.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.