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Finding the Fourth Proportional to 39,962.40, 59,950.80 and 16,591.20

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Solution

The fourth proportional to 39,962.40, 59,950.80 and 16,591.20 is: 24,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.40 : 59,950.80 = 16,591.20 : x
  2. Step 2: Convert to fraction form
    39,962.40/59,950.80 = 16,591.20/x
  3. Step 3: Cross multiply
    39,962.40x = 59,950.80 × 16,591.20
  4. Step 4: Simplify right side
    39,962.40x = 994,655,712.96
  5. Step 5: Solve for x
    x = 994,655,712.96/39,962.40
  6. Step 6: Final answer
    x = 24,889.79

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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.