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Finding the Fourth Proportional to 8,658,791.73, 12,984,348.20 and 4,614,525.72

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Solution

The fourth proportional to 8,658,791.73, 12,984,348.20 and 4,614,525.72 is: 6,919,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658,791.73 : 12,984,348.20 = 4,614,525.72 : x
  2. Step 2: Convert to fraction form
    8,658,791.73/12,984,348.20 = 4,614,525.72/x
  3. Step 3: Cross multiply
    8,658,791.73x = 12,984,348.20 × 4,614,525.72
  4. Step 4: Simplify right side
    8,658,791.73x = 59,916,608,703,263.07
  5. Step 5: Solve for x
    x = 59,916,608,703,263.07/8,658,791.73
  6. Step 6: Final answer
    x = 6,919,742.45

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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.