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Finding the Fourth Proportional to 68,084.75, 93,956.96 and 38,276.75

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Solution

The fourth proportional to 68,084.75, 93,956.96 and 38,276.75 is: 52,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,084.75 : 93,956.96 = 38,276.75 : x
  2. Step 2: Convert to fraction form
    68,084.75/93,956.96 = 38,276.75/x
  3. Step 3: Cross multiply
    68,084.75x = 93,956.96 × 38,276.75
  4. Step 4: Simplify right side
    68,084.75x = 3,596,367,068.68
  5. Step 5: Solve for x
    x = 3,596,367,068.68/68,084.75
  6. Step 6: Final answer
    x = 52,821.92

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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.