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Finding the Fourth Proportional to 50,799.92, 70,526.18 and 49,279.28

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Solution

The fourth proportional to 50,799.92, 70,526.18 and 49,279.28 is: 68,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,799.92 : 70,526.18 = 49,279.28 : x
  2. Step 2: Convert to fraction form
    50,799.92/70,526.18 = 49,279.28/x
  3. Step 3: Cross multiply
    50,799.92x = 70,526.18 × 49,279.28
  4. Step 4: Simplify right side
    50,799.92x = 3,475,479,371.55
  5. Step 5: Solve for x
    x = 3,475,479,371.55/50,799.92
  6. Step 6: Final answer
    x = 68,415.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.