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Finding the Fourth Proportional to 68,414.63, 94,414.01 and 38,201.22

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Solution

The fourth proportional to 68,414.63, 94,414.01 and 38,201.22 is: 52,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,414.63 : 94,414.01 = 38,201.22 : x
  2. Step 2: Convert to fraction form
    68,414.63/94,414.01 = 38,201.22/x
  3. Step 3: Cross multiply
    68,414.63x = 94,414.01 × 38,201.22
  4. Step 4: Simplify right side
    68,414.63x = 3,606,730,176.09
  5. Step 5: Solve for x
    x = 3,606,730,176.09/68,414.63
  6. Step 6: Final answer
    x = 52,718.70

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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.