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Finding the Fourth Proportional to 8,802,162.80, 13,187,497.80 and 7,447,972.40

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Solution

The fourth proportional to 8,802,162.80, 13,187,497.80 and 7,447,972.40 is: 11,158,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802,162.80 : 13,187,497.80 = 7,447,972.40 : x
  2. Step 2: Convert to fraction form
    8,802,162.80/13,187,497.80 = 7,447,972.40/x
  3. Step 3: Cross multiply
    8,802,162.80x = 13,187,497.80 × 7,447,972.40
  4. Step 4: Simplify right side
    8,802,162.80x = 98,220,119,639,460.73
  5. Step 5: Solve for x
    x = 98,220,119,639,460.73/8,802,162.80
  6. Step 6: Final answer
    x = 11,158,634.74

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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.