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Finding the Fourth Proportional to 29,361,646.20, 44,042,469.30 and 21,803,374.20

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Solution

The fourth proportional to 29,361,646.20, 44,042,469.30 and 21,803,374.20 is: 32,705,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361,646.20 : 44,042,469.30 = 21,803,374.20 : x
  2. Step 2: Convert to fraction form
    29,361,646.20/44,042,469.30 = 21,803,374.20/x
  3. Step 3: Cross multiply
    29,361,646.20x = 44,042,469.30 × 21,803,374.20
  4. Step 4: Simplify right side
    29,361,646.20x = 960,274,438,839,912
  5. Step 5: Solve for x
    x = 960,274,438,839,912/29,361,646.20
  6. Step 6: Final answer
    x = 32,705,061.30

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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.