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Finding the Fourth Proportional to 3,260,987.76, 4,869,522.24 and 2,663,134.92

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Solution

The fourth proportional to 3,260,987.76, 4,869,522.24 and 2,663,134.92 is: 3,976,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,987.76 : 4,869,522.24 = 2,663,134.92 : x
  2. Step 2: Convert to fraction form
    3,260,987.76/4,869,522.24 = 2,663,134.92/x
  3. Step 3: Cross multiply
    3,260,987.76x = 4,869,522.24 × 2,663,134.92
  4. Step 4: Simplify right side
    3,260,987.76x = 12,968,194,721,060.62
  5. Step 5: Solve for x
    x = 12,968,194,721,060.62/3,260,987.76
  6. Step 6: Final answer
    x = 3,976,768.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.