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Finding the Fourth Proportional to 18,590.53, 25,655.03 and 10,633.09

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Solution

The fourth proportional to 18,590.53, 25,655.03 and 10,633.09 is: 14,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.53 : 25,655.03 = 10,633.09 : x
  2. Step 2: Convert to fraction form
    18,590.53/25,655.03 = 10,633.09/x
  3. Step 3: Cross multiply
    18,590.53x = 25,655.03 × 10,633.09
  4. Step 4: Simplify right side
    18,590.53x = 272,792,189.78
  5. Step 5: Solve for x
    x = 272,792,189.78/18,590.53
  6. Step 6: Final answer
    x = 14,673.72

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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.