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Finding the Fourth Proportional to 8,842,382.91, 12,202,363.44 and 4,974,894.86

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Solution

The fourth proportional to 8,842,382.91, 12,202,363.44 and 4,974,894.86 is: 6,865,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842,382.91 : 12,202,363.44 = 4,974,894.86 : x
  2. Step 2: Convert to fraction form
    8,842,382.91/12,202,363.44 = 4,974,894.86/x
  3. Step 3: Cross multiply
    8,842,382.91x = 12,202,363.44 × 4,974,894.86
  4. Step 4: Simplify right side
    8,842,382.91x = 60,705,475,096,496.10
  5. Step 5: Solve for x
    x = 60,705,475,096,496.10/8,842,382.91
  6. Step 6: Final answer
    x = 6,865,284.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.