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Finding the Fourth Proportional to 68,903.64, 95,063.22 and 38,684.76

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Solution

The fourth proportional to 68,903.64, 95,063.22 and 38,684.76 is: 53,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,903.64 : 95,063.22 = 38,684.76 : x
  2. Step 2: Convert to fraction form
    68,903.64/95,063.22 = 38,684.76/x
  3. Step 3: Cross multiply
    68,903.64x = 95,063.22 × 38,684.76
  4. Step 4: Simplify right side
    68,903.64x = 3,677,497,850.53
  5. Step 5: Solve for x
    x = 3,677,497,850.53/68,903.64
  6. Step 6: Final answer
    x = 53,371.60

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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.