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Finding the Fourth Proportional to 22,697,712.60, 34,046,568.90 and 20,943,957.30

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Solution

The fourth proportional to 22,697,712.60, 34,046,568.90 and 20,943,957.30 is: 31,415,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697,712.60 : 34,046,568.90 = 20,943,957.30 : x
  2. Step 2: Convert to fraction form
    22,697,712.60/34,046,568.90 = 20,943,957.30/x
  3. Step 3: Cross multiply
    22,697,712.60x = 34,046,568.90 × 20,943,957.30
  4. Step 4: Simplify right side
    22,697,712.60x = 713,069,885,253,108
  5. Step 5: Solve for x
    x = 713,069,885,253,108/22,697,712.60
  6. Step 6: Final answer
    x = 31,415,935.95

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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.