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Finding the Fourth Proportional to 39,380.80, 59,074.80 and 16,002.40

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Solution

The fourth proportional to 39,380.80, 59,074.80 and 16,002.40 is: 24,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.80 : 59,074.80 = 16,002.40 : x
  2. Step 2: Convert to fraction form
    39,380.80/59,074.80 = 16,002.40/x
  3. Step 3: Cross multiply
    39,380.80x = 59,074.80 × 16,002.40
  4. Step 4: Simplify right side
    39,380.80x = 945,338,579.52
  5. Step 5: Solve for x
    x = 945,338,579.52/39,380.80
  6. Step 6: Final answer
    x = 24,005.06

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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.