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Finding the Fourth Proportional to 8,696,511.10, 13,044,766.65 and 7,952,493.70

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Solution

The fourth proportional to 8,696,511.10, 13,044,766.65 and 7,952,493.70 is: 11,928,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,511.10 : 13,044,766.65 = 7,952,493.70 : x
  2. Step 2: Convert to fraction form
    8,696,511.10/13,044,766.65 = 7,952,493.70/x
  3. Step 3: Cross multiply
    8,696,511.10x = 13,044,766.65 × 7,952,493.70
  4. Step 4: Simplify right side
    8,696,511.10x = 103,738,424,602,095.11
  5. Step 5: Solve for x
    x = 103,738,424,602,095.11/8,696,511.10
  6. Step 6: Final answer
    x = 11,928,740.55

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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.