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Finding the Fourth Proportional to 60,372.43, 83,370.69 and 38,899.87

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Solution

The fourth proportional to 60,372.43, 83,370.69 and 38,899.87 is: 53,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,372.43 : 83,370.69 = 38,899.87 : x
  2. Step 2: Convert to fraction form
    60,372.43/83,370.69 = 38,899.87/x
  3. Step 3: Cross multiply
    60,372.43x = 83,370.69 × 38,899.87
  4. Step 4: Simplify right side
    60,372.43x = 3,243,109,002.81
  5. Step 5: Solve for x
    x = 3,243,109,002.81/60,372.43
  6. Step 6: Final answer
    x = 53,718.38

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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.