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Finding the Fourth Proportional to 66,822.64, 100,233.96 and 62,393.97

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Solution

The fourth proportional to 66,822.64, 100,233.96 and 62,393.97 is: 93,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822.64 : 100,233.96 = 62,393.97 : x
  2. Step 2: Convert to fraction form
    66,822.64/100,233.96 = 62,393.97/x
  3. Step 3: Cross multiply
    66,822.64x = 100,233.96 × 62,393.97
  4. Step 4: Simplify right side
    66,822.64x = 6,253,994,693.22
  5. Step 5: Solve for x
    x = 6,253,994,693.22/66,822.64
  6. Step 6: Final answer
    x = 93,590.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.