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Finding the Fourth Proportional to 60,136.92, 82,989.36 and 33,281.64

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Solution

The fourth proportional to 60,136.92, 82,989.36 and 33,281.64 is: 45,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.92 : 82,989.36 = 33,281.64 : x
  2. Step 2: Convert to fraction form
    60,136.92/82,989.36 = 33,281.64/x
  3. Step 3: Cross multiply
    60,136.92x = 82,989.36 × 33,281.64
  4. Step 4: Simplify right side
    60,136.92x = 2,762,022,003.35
  5. Step 5: Solve for x
    x = 2,762,022,003.35/60,136.92
  6. Step 6: Final answer
    x = 45,928.89

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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.