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Finding the Fourth Proportional to 68,279.64, 94,218.30 and 38,062.68

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Solution

The fourth proportional to 68,279.64, 94,218.30 and 38,062.68 is: 52,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,279.64 : 94,218.30 = 38,062.68 : x
  2. Step 2: Convert to fraction form
    68,279.64/94,218.30 = 38,062.68/x
  3. Step 3: Cross multiply
    68,279.64x = 94,218.30 × 38,062.68
  4. Step 4: Simplify right side
    68,279.64x = 3,586,201,003.04
  5. Step 5: Solve for x
    x = 3,586,201,003.04/68,279.64
  6. Step 6: Final answer
    x = 52,522.26

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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.