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Finding the Fourth Proportional to 16,607,284.80, 24,910,927.20 and 13,248,052.80

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Solution

The fourth proportional to 16,607,284.80, 24,910,927.20 and 13,248,052.80 is: 19,872,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607,284.80 : 24,910,927.20 = 13,248,052.80 : x
  2. Step 2: Convert to fraction form
    16,607,284.80/24,910,927.20 = 13,248,052.80/x
  3. Step 3: Cross multiply
    16,607,284.80x = 24,910,927.20 × 13,248,052.80
  4. Step 4: Simplify right side
    16,607,284.80x = 330,021,278,842,556.19
  5. Step 5: Solve for x
    x = 330,021,278,842,556.19/16,607,284.80
  6. Step 6: Final answer
    x = 19,872,079.20

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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.