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Finding the Fourth Proportional to 60,522.55, 90,688.93 and 38,288.97

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Solution

The fourth proportional to 60,522.55, 90,688.93 and 38,288.97 is: 57,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,522.55 : 90,688.93 = 38,288.97 : x
  2. Step 2: Convert to fraction form
    60,522.55/90,688.93 = 38,288.97/x
  3. Step 3: Cross multiply
    60,522.55x = 90,688.93 × 38,288.97
  4. Step 4: Simplify right side
    60,522.55x = 3,472,385,295.63
  5. Step 5: Solve for x
    x = 3,472,385,295.63/60,522.55
  6. Step 6: Final answer
    x = 57,373.41

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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.