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Finding the Fourth Proportional to 16,616,101.20, 24,924,151.80 and 7,658,149.20

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Solution

The fourth proportional to 16,616,101.20, 24,924,151.80 and 7,658,149.20 is: 11,487,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616,101.20 : 24,924,151.80 = 7,658,149.20 : x
  2. Step 2: Convert to fraction form
    16,616,101.20/24,924,151.80 = 7,658,149.20/x
  3. Step 3: Cross multiply
    16,616,101.20x = 24,924,151.80 × 7,658,149.20
  4. Step 4: Simplify right side
    16,616,101.20x = 190,872,873,167,848.56
  5. Step 5: Solve for x
    x = 190,872,873,167,848.56/16,616,101.20
  6. Step 6: Final answer
    x = 11,487,223.80

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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.