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Finding the Fourth Proportional to 8,696,099.80, 13,044,149.70 and 5,504,829.40

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Solution

The fourth proportional to 8,696,099.80, 13,044,149.70 and 5,504,829.40 is: 8,257,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,099.80 : 13,044,149.70 = 5,504,829.40 : x
  2. Step 2: Convert to fraction form
    8,696,099.80/13,044,149.70 = 5,504,829.40/x
  3. Step 3: Cross multiply
    8,696,099.80x = 13,044,149.70 × 5,504,829.40
  4. Step 4: Simplify right side
    8,696,099.80x = 71,805,818,766,561.19
  5. Step 5: Solve for x
    x = 71,805,818,766,561.19/8,696,099.80
  6. Step 6: Final answer
    x = 8,257,244.10

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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.