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Finding the Fourth Proportional to 9,387.38, 14,025.90 and 9,060.30

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Solution

The fourth proportional to 9,387.38, 14,025.90 and 9,060.30 is: 13,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.38 : 14,025.90 = 9,060.30 : x
  2. Step 2: Convert to fraction form
    9,387.38/14,025.90 = 9,060.30/x
  3. Step 3: Cross multiply
    9,387.38x = 14,025.90 × 9,060.30
  4. Step 4: Simplify right side
    9,387.38x = 127,078,861.77
  5. Step 5: Solve for x
    x = 127,078,861.77/9,387.38
  6. Step 6: Final answer
    x = 13,537.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.