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Finding the Fourth Proportional to 14,537.16, 20,061.90 and 8,250.12

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Solution

The fourth proportional to 14,537.16, 20,061.90 and 8,250.12 is: 11,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537.16 : 20,061.90 = 8,250.12 : x
  2. Step 2: Convert to fraction form
    14,537.16/20,061.90 = 8,250.12/x
  3. Step 3: Cross multiply
    14,537.16x = 20,061.90 × 8,250.12
  4. Step 4: Simplify right side
    14,537.16x = 165,513,082.43
  5. Step 5: Solve for x
    x = 165,513,082.43/14,537.16
  6. Step 6: Final answer
    x = 11,385.52

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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.