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Finding the Fourth Proportional to 82,000.92, 122,905.80 and 37,632.36

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Solution

The fourth proportional to 82,000.92, 122,905.80 and 37,632.36 is: 56,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,000.92 : 122,905.80 = 37,632.36 : x
  2. Step 2: Convert to fraction form
    82,000.92/122,905.80 = 37,632.36/x
  3. Step 3: Cross multiply
    82,000.92x = 122,905.80 × 37,632.36
  4. Step 4: Simplify right side
    82,000.92x = 4,625,235,311.69
  5. Step 5: Solve for x
    x = 4,625,235,311.69/82,000.92
  6. Step 6: Final answer
    x = 56,404.68

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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.