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Finding the Fourth Proportional to 22,762,599.60, 34,143,899.40 and 20,371,115.10

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Solution

The fourth proportional to 22,762,599.60, 34,143,899.40 and 20,371,115.10 is: 30,556,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762,599.60 : 34,143,899.40 = 20,371,115.10 : x
  2. Step 2: Convert to fraction form
    22,762,599.60/34,143,899.40 = 20,371,115.10/x
  3. Step 3: Cross multiply
    22,762,599.60x = 34,143,899.40 × 20,371,115.10
  4. Step 4: Simplify right side
    22,762,599.60x = 695,549,304,640,221
  5. Step 5: Solve for x
    x = 695,549,304,640,221/22,762,599.60
  6. Step 6: Final answer
    x = 30,556,672.65

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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.