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Finding the Fourth Proportional to 68,885.95, 95,062.55 and 38,671.33

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Solution

The fourth proportional to 68,885.95, 95,062.55 and 38,671.33 is: 53,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,885.95 : 95,062.55 = 38,671.33 : x
  2. Step 2: Convert to fraction form
    68,885.95/95,062.55 = 38,671.33/x
  3. Step 3: Cross multiply
    68,885.95x = 95,062.55 × 38,671.33
  4. Step 4: Simplify right side
    68,885.95x = 3,676,195,100.71
  5. Step 5: Solve for x
    x = 3,676,195,100.71/68,885.95
  6. Step 6: Final answer
    x = 53,366.40

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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.