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Finding the Fourth Proportional to 3,598,691.76, 4,965,713.64 and 2,311,275.87

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Solution

The fourth proportional to 3,598,691.76, 4,965,713.64 and 2,311,275.87 is: 3,189,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598,691.76 : 4,965,713.64 = 2,311,275.87 : x
  2. Step 2: Convert to fraction form
    3,598,691.76/4,965,713.64 = 2,311,275.87/x
  3. Step 3: Cross multiply
    3,598,691.76x = 4,965,713.64 × 2,311,275.87
  4. Step 4: Simplify right side
    3,598,691.76x = 11,477,134,113,461.87
  5. Step 5: Solve for x
    x = 11,477,134,113,461.87/3,598,691.76
  6. Step 6: Final answer
    x = 3,189,251.78

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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.