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Finding the Fourth Proportional to 62,149.68, 85,764.42 and 35,291.70

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Solution

The fourth proportional to 62,149.68, 85,764.42 and 35,291.70 is: 48,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149.68 : 85,764.42 = 35,291.70 : x
  2. Step 2: Convert to fraction form
    62,149.68/85,764.42 = 35,291.70/x
  3. Step 3: Cross multiply
    62,149.68x = 85,764.42 × 35,291.70
  4. Step 4: Simplify right side
    62,149.68x = 3,026,772,181.31
  5. Step 5: Solve for x
    x = 3,026,772,181.31/62,149.68
  6. Step 6: Final answer
    x = 48,701.33

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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.