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Finding the Fourth Proportional to 16,987,569.80, 25,481,354.70 and 5,020,305.80

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Solution

The fourth proportional to 16,987,569.80, 25,481,354.70 and 5,020,305.80 is: 7,530,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987,569.80 : 25,481,354.70 = 5,020,305.80 : x
  2. Step 2: Convert to fraction form
    16,987,569.80/25,481,354.70 = 5,020,305.80/x
  3. Step 3: Cross multiply
    16,987,569.80x = 25,481,354.70 × 5,020,305.80
  4. Step 4: Simplify right side
    16,987,569.80x = 127,924,192,792,267.25
  5. Step 5: Solve for x
    x = 127,924,192,792,267.25/16,987,569.80
  6. Step 6: Final answer
    x = 7,530,458.70

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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.