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Finding the Fourth Proportional to 8,917,264.32, 13,366,545.84 and 4,362,025.20

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Solution

The fourth proportional to 8,917,264.32, 13,366,545.84 and 4,362,025.20 is: 6,538,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,264.32 : 13,366,545.84 = 4,362,025.20 : x
  2. Step 2: Convert to fraction form
    8,917,264.32/13,366,545.84 = 4,362,025.20/x
  3. Step 3: Cross multiply
    8,917,264.32x = 13,366,545.84 × 4,362,025.20
  4. Step 4: Simplify right side
    8,917,264.32x = 58,305,209,791,035.17
  5. Step 5: Solve for x
    x = 58,305,209,791,035.17/8,917,264.32
  6. Step 6: Final answer
    x = 6,538,463.78

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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.