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Finding the Fourth Proportional to 66,657.46, 92,010.46 and 38,374.42

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Solution

The fourth proportional to 66,657.46, 92,010.46 and 38,374.42 is: 52,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,657.46 : 92,010.46 = 38,374.42 : x
  2. Step 2: Convert to fraction form
    66,657.46/92,010.46 = 38,374.42/x
  3. Step 3: Cross multiply
    66,657.46x = 92,010.46 × 38,374.42
  4. Step 4: Simplify right side
    66,657.46x = 3,530,848,036.43
  5. Step 5: Solve for x
    x = 3,530,848,036.43/66,657.46
  6. Step 6: Final answer
    x = 52,970.04

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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.