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Finding the Fourth Proportional to 16,801,616.80, 25,202,425.20 and 16,801,616.80

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Solution

The fourth proportional to 16,801,616.80, 25,202,425.20 and 16,801,616.80 is: 25,202,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,801,616.80 : 25,202,425.20 = 16,801,616.80 : x
  2. Step 2: Convert to fraction form
    16,801,616.80/25,202,425.20 = 16,801,616.80/x
  3. Step 3: Cross multiply
    16,801,616.80x = 25,202,425.20 × 16,801,616.80
  4. Step 4: Simplify right side
    16,801,616.80x = 423,441,490,641,063.38
  5. Step 5: Solve for x
    x = 423,441,490,641,063.38/16,801,616.80
  6. Step 6: Final answer
    x = 25,202,425.20

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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.