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Finding the Fourth Proportional to 60,421.74, 83,372.76 and 33,561.78

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Solution

The fourth proportional to 60,421.74, 83,372.76 and 33,561.78 is: 46,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,421.74 : 83,372.76 = 33,561.78 : x
  2. Step 2: Convert to fraction form
    60,421.74/83,372.76 = 33,561.78/x
  3. Step 3: Cross multiply
    60,421.74x = 83,372.76 × 33,561.78
  4. Step 4: Simplify right side
    60,421.74x = 2,798,138,229.11
  5. Step 5: Solve for x
    x = 2,798,138,229.11/60,421.74
  6. Step 6: Final answer
    x = 46,310.12

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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.