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Finding the Fourth Proportional to 22,381,664.80, 33,572,497.20 and 8,005,201.60

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Solution

The fourth proportional to 22,381,664.80, 33,572,497.20 and 8,005,201.60 is: 12,007,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381,664.80 : 33,572,497.20 = 8,005,201.60 : x
  2. Step 2: Convert to fraction form
    22,381,664.80/33,572,497.20 = 8,005,201.60/x
  3. Step 3: Cross multiply
    22,381,664.80x = 33,572,497.20 × 8,005,201.60
  4. Step 4: Simplify right side
    22,381,664.80x = 268,754,608,301,435.53
  5. Step 5: Solve for x
    x = 268,754,608,301,435.53/22,381,664.80
  6. Step 6: Final answer
    x = 12,007,802.40

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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.