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Finding the Fourth Proportional to 29,695,323.40, 44,542,985.10 and 19,491,656.20

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Solution

The fourth proportional to 29,695,323.40, 44,542,985.10 and 19,491,656.20 is: 29,237,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,695,323.40 : 44,542,985.10 = 19,491,656.20 : x
  2. Step 2: Convert to fraction form
    29,695,323.40/44,542,985.10 = 19,491,656.20/x
  3. Step 3: Cross multiply
    29,695,323.40x = 44,542,985.10 × 19,491,656.20
  4. Step 4: Simplify right side
    29,695,323.40x = 868,216,551,690,922.62
  5. Step 5: Solve for x
    x = 868,216,551,690,922.62/29,695,323.40
  6. Step 6: Final answer
    x = 29,237,484.30

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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.