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Finding the Fourth Proportional to 16,397,712.80, 24,596,569.20 and 5,614,053.20

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Solution

The fourth proportional to 16,397,712.80, 24,596,569.20 and 5,614,053.20 is: 8,421,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,397,712.80 : 24,596,569.20 = 5,614,053.20 : x
  2. Step 2: Convert to fraction form
    16,397,712.80/24,596,569.20 = 5,614,053.20/x
  3. Step 3: Cross multiply
    16,397,712.80x = 24,596,569.20 × 5,614,053.20
  4. Step 4: Simplify right side
    16,397,712.80x = 138,086,448,026,281.44
  5. Step 5: Solve for x
    x = 138,086,448,026,281.44/16,397,712.80
  6. Step 6: Final answer
    x = 8,421,079.80

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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.