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Finding the Fourth Proportional to 60,522.59, 83,538.77 and 40,379.43

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Solution

The fourth proportional to 60,522.59, 83,538.77 and 40,379.43 is: 55,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,522.59 : 83,538.77 = 40,379.43 : x
  2. Step 2: Convert to fraction form
    60,522.59/83,538.77 = 40,379.43/x
  3. Step 3: Cross multiply
    60,522.59x = 83,538.77 × 40,379.43
  4. Step 4: Simplify right side
    60,522.59x = 3,373,247,295.91
  5. Step 5: Solve for x
    x = 3,373,247,295.91/60,522.59
  6. Step 6: Final answer
    x = 55,735.34

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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.