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Finding the Fourth Proportional to 26,711,921.20, 40,067,881.80 and 23,842,139.80

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Solution

The fourth proportional to 26,711,921.20, 40,067,881.80 and 23,842,139.80 is: 35,763,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,711,921.20 : 40,067,881.80 = 23,842,139.80 : x
  2. Step 2: Convert to fraction form
    26,711,921.20/40,067,881.80 = 23,842,139.80/x
  3. Step 3: Cross multiply
    26,711,921.20x = 40,067,881.80 × 23,842,139.80
  4. Step 4: Simplify right side
    26,711,921.20x = 955,304,039,365,475.62
  5. Step 5: Solve for x
    x = 955,304,039,365,475.62/26,711,921.20
  6. Step 6: Final answer
    x = 35,763,209.70

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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.