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Finding the Fourth Proportional to 84,575.42, 116,712.52 and 48,766.94

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Solution

The fourth proportional to 84,575.42, 116,712.52 and 48,766.94 is: 67,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,575.42 : 116,712.52 = 48,766.94 : x
  2. Step 2: Convert to fraction form
    84,575.42/116,712.52 = 48,766.94/x
  3. Step 3: Cross multiply
    84,575.42x = 116,712.52 × 48,766.94
  4. Step 4: Simplify right side
    84,575.42x = 5,691,711,754.61
  5. Step 5: Solve for x
    x = 5,691,711,754.61/84,575.42
  6. Step 6: Final answer
    x = 67,297.47

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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.