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Finding the Fourth Proportional to 39,875.52, 59,793.12 and 13,571.52

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Solution

The fourth proportional to 39,875.52, 59,793.12 and 13,571.52 is: 20,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875.52 : 59,793.12 = 13,571.52 : x
  2. Step 2: Convert to fraction form
    39,875.52/59,793.12 = 13,571.52/x
  3. Step 3: Cross multiply
    39,875.52x = 59,793.12 × 13,571.52
  4. Step 4: Simplify right side
    39,875.52x = 811,483,523.94
  5. Step 5: Solve for x
    x = 811,483,523.94/39,875.52
  6. Step 6: Final answer
    x = 20,350.42

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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.