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Finding the Fourth Proportional to 68,914.84, 95,102.48 and 38,700.18

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Solution

The fourth proportional to 68,914.84, 95,102.48 and 38,700.18 is: 53,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,914.84 : 95,102.48 = 38,700.18 : x
  2. Step 2: Convert to fraction form
    68,914.84/95,102.48 = 38,700.18/x
  3. Step 3: Cross multiply
    68,914.84x = 95,102.48 × 38,700.18
  4. Step 4: Simplify right side
    68,914.84x = 3,680,482,425.43
  5. Step 5: Solve for x
    x = 3,680,482,425.43/68,914.84
  6. Step 6: Final answer
    x = 53,406.24

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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.