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Finding the Fourth Proportional to 39,520.70, 59,280.73 and 16,130.73

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Solution

The fourth proportional to 39,520.70, 59,280.73 and 16,130.73 is: 24,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,520.70 : 59,280.73 = 16,130.73 : x
  2. Step 2: Convert to fraction form
    39,520.70/59,280.73 = 16,130.73/x
  3. Step 3: Cross multiply
    39,520.70x = 59,280.73 × 16,130.73
  4. Step 4: Simplify right side
    39,520.70x = 956,241,449.83
  5. Step 5: Solve for x
    x = 956,241,449.83/39,520.70
  6. Step 6: Final answer
    x = 24,195.96

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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.