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Finding the Fourth Proportional to 68,560.39, 94,613.07 and 38,345.59

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Solution

The fourth proportional to 68,560.39, 94,613.07 and 38,345.59 is: 52,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,560.39 : 94,613.07 = 38,345.59 : x
  2. Step 2: Convert to fraction form
    68,560.39/94,613.07 = 38,345.59/x
  3. Step 3: Cross multiply
    68,560.39x = 94,613.07 × 38,345.59
  4. Step 4: Simplify right side
    68,560.39x = 3,627,993,799.13
  5. Step 5: Solve for x
    x = 3,627,993,799.13/68,560.39
  6. Step 6: Final answer
    x = 52,916.76

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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.