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Finding the Fourth Proportional to 60,600.48, 90,710.56 and 38,336.64

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Solution

The fourth proportional to 60,600.48, 90,710.56 and 38,336.64 is: 57,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,600.48 : 90,710.56 = 38,336.64 : x
  2. Step 2: Convert to fraction form
    60,600.48/90,710.56 = 38,336.64/x
  3. Step 3: Cross multiply
    60,600.48x = 90,710.56 × 38,336.64
  4. Step 4: Simplify right side
    60,600.48x = 3,477,538,082.92
  5. Step 5: Solve for x
    x = 3,477,538,082.92/60,600.48
  6. Step 6: Final answer
    x = 57,384.66

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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.