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Finding the Fourth Proportional to 22,013,612.80, 32,955,100.80 and 16,358,905.60

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Solution

The fourth proportional to 22,013,612.80, 32,955,100.80 and 16,358,905.60 is: 24,489,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013,612.80 : 32,955,100.80 = 16,358,905.60 : x
  2. Step 2: Convert to fraction form
    22,013,612.80/32,955,100.80 = 16,358,905.60/x
  3. Step 3: Cross multiply
    22,013,612.80x = 32,955,100.80 × 16,358,905.60
  4. Step 4: Simplify right side
    22,013,612.80x = 539,109,383,025,684.50
  5. Step 5: Solve for x
    x = 539,109,383,025,684.50/22,013,612.80
  6. Step 6: Final answer
    x = 24,489,818.55

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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.