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Finding the Fourth Proportional to 68,323.56, 94,287.03 and 38,110.86

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Solution

The fourth proportional to 68,323.56, 94,287.03 and 38,110.86 is: 52,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,323.56 : 94,287.03 = 38,110.86 : x
  2. Step 2: Convert to fraction form
    68,323.56/94,287.03 = 38,110.86/x
  3. Step 3: Cross multiply
    68,323.56x = 94,287.03 × 38,110.86
  4. Step 4: Simplify right side
    68,323.56x = 3,593,359,800.15
  5. Step 5: Solve for x
    x = 3,593,359,800.15/68,323.56
  6. Step 6: Final answer
    x = 52,593.28

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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.