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Finding the Fourth Proportional to 68,471.10, 94,486.68 and 38,250.42

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Solution

The fourth proportional to 68,471.10, 94,486.68 and 38,250.42 is: 52,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,471.10 : 94,486.68 = 38,250.42 : x
  2. Step 2: Convert to fraction form
    68,471.10/94,486.68 = 38,250.42/x
  3. Step 3: Cross multiply
    68,471.10x = 94,486.68 × 38,250.42
  4. Step 4: Simplify right side
    68,471.10x = 3,614,155,194.41
  5. Step 5: Solve for x
    x = 3,614,155,194.41/68,471.10
  6. Step 6: Final answer
    x = 52,783.66

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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.