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Finding the Fourth Proportional to 22,462,446.60, 33,693,669.90 and 21,580,648.20

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Solution

The fourth proportional to 22,462,446.60, 33,693,669.90 and 21,580,648.20 is: 32,370,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462,446.60 : 33,693,669.90 = 21,580,648.20 : x
  2. Step 2: Convert to fraction form
    22,462,446.60/33,693,669.90 = 21,580,648.20/x
  3. Step 3: Cross multiply
    22,462,446.60x = 33,693,669.90 × 21,580,648.20
  4. Step 4: Simplify right side
    22,462,446.60x = 727,131,236,678,829.12
  5. Step 5: Solve for x
    x = 727,131,236,678,829.12/22,462,446.60
  6. Step 6: Final answer
    x = 32,370,972.30

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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.