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Finding the Fourth Proportional to 14,668,972.65, 22,003,440.44 and 5,571,053.28

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Solution

The fourth proportional to 14,668,972.65, 22,003,440.44 and 5,571,053.28 is: 8,356,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668,972.65 : 22,003,440.44 = 5,571,053.28 : x
  2. Step 2: Convert to fraction form
    14,668,972.65/22,003,440.44 = 5,571,053.28/x
  3. Step 3: Cross multiply
    14,668,972.65x = 22,003,440.44 × 5,571,053.28
  4. Step 4: Simplify right side
    14,668,972.65x = 122,582,339,006,691.38
  5. Step 5: Solve for x
    x = 122,582,339,006,691.38/14,668,972.65
  6. Step 6: Final answer
    x = 8,356,572.88

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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.