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Finding the Fourth Proportional to 22,176,463.70, 33,264,695.55 and 21,877,865.30

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Solution

The fourth proportional to 22,176,463.70, 33,264,695.55 and 21,877,865.30 is: 32,816,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176,463.70 : 33,264,695.55 = 21,877,865.30 : x
  2. Step 2: Convert to fraction form
    22,176,463.70/33,264,695.55 = 21,877,865.30/x
  3. Step 3: Cross multiply
    22,176,463.70x = 33,264,695.55 × 21,877,865.30
  4. Step 4: Simplify right side
    22,176,463.70x = 727,760,528,488,409.50
  5. Step 5: Solve for x
    x = 727,760,528,488,409.50/22,176,463.70
  6. Step 6: Final answer
    x = 32,816,797.95

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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.