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Finding the Fourth Proportional to 60,491.60, 90,737.40 and 41,829.20

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Solution

The fourth proportional to 60,491.60, 90,737.40 and 41,829.20 is: 62,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,491.60 : 90,737.40 = 41,829.20 : x
  2. Step 2: Convert to fraction form
    60,491.60/90,737.40 = 41,829.20/x
  3. Step 3: Cross multiply
    60,491.60x = 90,737.40 × 41,829.20
  4. Step 4: Simplify right side
    60,491.60x = 3,795,472,852.08
  5. Step 5: Solve for x
    x = 3,795,472,852.08/60,491.60
  6. Step 6: Final answer
    x = 62,743.80

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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.