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Finding the Fourth Proportional to 62,102.70, 85,721.04 and 35,263.08

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Solution

The fourth proportional to 62,102.70, 85,721.04 and 35,263.08 is: 48,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,102.70 : 85,721.04 = 35,263.08 : x
  2. Step 2: Convert to fraction form
    62,102.70/85,721.04 = 35,263.08/x
  3. Step 3: Cross multiply
    62,102.70x = 85,721.04 × 35,263.08
  4. Step 4: Simplify right side
    62,102.70x = 3,022,787,891.20
  5. Step 5: Solve for x
    x = 3,022,787,891.20/62,102.70
  6. Step 6: Final answer
    x = 48,674.02

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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.