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Finding the Fourth Proportional to 22,965,357.80, 34,448,036.70 and 15,312,607.40

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Solution

The fourth proportional to 22,965,357.80, 34,448,036.70 and 15,312,607.40 is: 22,968,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,965,357.80 : 34,448,036.70 = 15,312,607.40 : x
  2. Step 2: Convert to fraction form
    22,965,357.80/34,448,036.70 = 15,312,607.40/x
  3. Step 3: Cross multiply
    22,965,357.80x = 34,448,036.70 × 15,312,607.40
  4. Step 4: Simplify right side
    22,965,357.80x = 527,489,261,687,891.62
  5. Step 5: Solve for x
    x = 527,489,261,687,891.62/22,965,357.80
  6. Step 6: Final answer
    x = 22,968,911.10

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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.