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Finding the Fourth Proportional to 68,084.76, 93,956.96 and 38,276.76

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Solution

The fourth proportional to 68,084.76, 93,956.96 and 38,276.76 is: 52,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,084.76 : 93,956.96 = 38,276.76 : x
  2. Step 2: Convert to fraction form
    68,084.76/93,956.96 = 38,276.76/x
  3. Step 3: Cross multiply
    68,084.76x = 93,956.96 × 38,276.76
  4. Step 4: Simplify right side
    68,084.76x = 3,596,368,008.25
  5. Step 5: Solve for x
    x = 3,596,368,008.25/68,084.76
  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.