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Finding the Fourth Proportional to 62,297.60, 85,978.92 and 35,434.92

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Solution

The fourth proportional to 62,297.60, 85,978.92 and 35,434.92 is: 48,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,297.60 : 85,978.92 = 35,434.92 : x
  2. Step 2: Convert to fraction form
    62,297.60/85,978.92 = 35,434.92/x
  3. Step 3: Cross multiply
    62,297.60x = 85,978.92 × 35,434.92
  4. Step 4: Simplify right side
    62,297.60x = 3,046,656,151.89
  5. Step 5: Solve for x
    x = 3,046,656,151.89/62,297.60
  6. Step 6: Final answer
    x = 48,904.87

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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.