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Finding the Fourth Proportional to 38,359.59, 57,531.16 and 12,058.19

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Solution

The fourth proportional to 38,359.59, 57,531.16 and 12,058.19 is: 18,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,359.59 : 57,531.16 = 12,058.19 : x
  2. Step 2: Convert to fraction form
    38,359.59/57,531.16 = 12,058.19/x
  3. Step 3: Cross multiply
    38,359.59x = 57,531.16 × 12,058.19
  4. Step 4: Simplify right side
    38,359.59x = 693,721,658.20
  5. Step 5: Solve for x
    x = 693,721,658.20/38,359.59
  6. Step 6: Final answer
    x = 18,084.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.