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Finding the Fourth Proportional to 8,764,851.62, 12,095,469.68 and 4,897,375.80

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Solution

The fourth proportional to 8,764,851.62, 12,095,469.68 and 4,897,375.80 is: 6,758,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,851.62 : 12,095,469.68 = 4,897,375.80 : x
  2. Step 2: Convert to fraction form
    8,764,851.62/12,095,469.68 = 4,897,375.80/x
  3. Step 3: Cross multiply
    8,764,851.62x = 12,095,469.68 × 4,897,375.80
  4. Step 4: Simplify right side
    8,764,851.62x = 59,236,060,475,978.87
  5. Step 5: Solve for x
    x = 59,236,060,475,978.87/8,764,851.62
  6. Step 6: Final answer
    x = 6,758,364.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.