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Finding the Fourth Proportional to 5,310,896.70, 7,966,332.90 and 2,276,294.88

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Solution

The fourth proportional to 5,310,896.70, 7,966,332.90 and 2,276,294.88 is: 3,414,437.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,896.70 : 7,966,332.90 = 2,276,294.88 : x
  2. Step 2: Convert to fraction form
    5,310,896.70/7,966,332.90 = 2,276,294.88/x
  3. Step 3: Cross multiply
    5,310,896.70x = 7,966,332.90 × 2,276,294.88
  4. Step 4: Simplify right side
    5,310,896.70x = 18,133,722,792,645.55
  5. Step 5: Solve for x
    x = 18,133,722,792,645.55/5,310,896.70
  6. Step 6: Final answer
    x = 3,414,437.11

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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.