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Finding the Fourth Proportional to 16,992,000.80, 25,471,412.40 and 15,200,410.40

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Solution

The fourth proportional to 16,992,000.80, 25,471,412.40 and 15,200,410.40 is: 22,785,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,992,000.80 : 25,471,412.40 = 15,200,410.40 : x
  2. Step 2: Convert to fraction form
    16,992,000.80/25,471,412.40 = 15,200,410.40/x
  3. Step 3: Cross multiply
    16,992,000.80x = 25,471,412.40 × 15,200,410.40
  4. Step 4: Simplify right side
    16,992,000.80x = 387,175,921,947,648.94
  5. Step 5: Solve for x
    x = 387,175,921,947,648.94/16,992,000.80
  6. Step 6: Final answer
    x = 22,785,775.88

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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.