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Finding the Fourth Proportional to 62,191.74, 85,815.96 and 36,699.18

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Solution

The fourth proportional to 62,191.74, 85,815.96 and 36,699.18 is: 50,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,191.74 : 85,815.96 = 36,699.18 : x
  2. Step 2: Convert to fraction form
    62,191.74/85,815.96 = 36,699.18/x
  3. Step 3: Cross multiply
    62,191.74x = 85,815.96 × 36,699.18
  4. Step 4: Simplify right side
    62,191.74x = 3,149,375,640.36
  5. Step 5: Solve for x
    x = 3,149,375,640.36/62,191.74
  6. Step 6: Final answer
    x = 50,639.77

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1.5x scale

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.