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Finding the Fourth Proportional to 22,998,422.30, 34,497,633.45 and 19,578,829.10

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Solution

The fourth proportional to 22,998,422.30, 34,497,633.45 and 19,578,829.10 is: 29,368,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998,422.30 : 34,497,633.45 = 19,578,829.10 : x
  2. Step 2: Convert to fraction form
    22,998,422.30/34,497,633.45 = 19,578,829.10/x
  3. Step 3: Cross multiply
    22,998,422.30x = 34,497,633.45 × 19,578,829.10
  4. Step 4: Simplify right side
    22,998,422.30x = 675,423,269,671,993.50
  5. Step 5: Solve for x
    x = 675,423,269,671,993.50/22,998,422.30
  6. Step 6: Final answer
    x = 29,368,243.65

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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.