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Finding the Fourth Proportional to 59,520.60, 82,142.04 and 39,342.50

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Solution

The fourth proportional to 59,520.60, 82,142.04 and 39,342.50 is: 54,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,520.60 : 82,142.04 = 39,342.50 : x
  2. Step 2: Convert to fraction form
    59,520.60/82,142.04 = 39,342.50/x
  3. Step 3: Cross multiply
    59,520.60x = 82,142.04 × 39,342.50
  4. Step 4: Simplify right side
    59,520.60x = 3,231,672,797.99
  5. Step 5: Solve for x
    x = 3,231,672,797.99/59,520.60
  6. Step 6: Final answer
    x = 54,295.03

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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.