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Finding the Fourth Proportional to 9,881,996.80, 14,822,995.20 and 9,504,083.20

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Solution

The fourth proportional to 9,881,996.80, 14,822,995.20 and 9,504,083.20 is: 14,256,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881,996.80 : 14,822,995.20 = 9,504,083.20 : x
  2. Step 2: Convert to fraction form
    9,881,996.80/14,822,995.20 = 9,504,083.20/x
  3. Step 3: Cross multiply
    9,881,996.80x = 14,822,995.20 × 9,504,083.20
  4. Step 4: Simplify right side
    9,881,996.80x = 140,878,979,654,000.62
  5. Step 5: Solve for x
    x = 140,878,979,654,000.62/9,881,996.80
  6. Step 6: Final answer
    x = 14,256,124.80

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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.