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Finding the Fourth Proportional to 10,883.99, 15,017.28 and 6,903.65

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Solution

The fourth proportional to 10,883.99, 15,017.28 and 6,903.65 is: 9,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.99 : 15,017.28 = 6,903.65 : x
  2. Step 2: Convert to fraction form
    10,883.99/15,017.28 = 6,903.65/x
  3. Step 3: Cross multiply
    10,883.99x = 15,017.28 × 6,903.65
  4. Step 4: Simplify right side
    10,883.99x = 103,674,007.53
  5. Step 5: Solve for x
    x = 103,674,007.53/10,883.99
  6. Step 6: Final answer
    x = 9,525.37

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Double scale
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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.