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Finding the Fourth Proportional to 68,478.59, 94,500.92 and 38,265.19

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Solution

The fourth proportional to 68,478.59, 94,500.92 and 38,265.19 is: 52,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,478.59 : 94,500.92 = 38,265.19 : x
  2. Step 2: Convert to fraction form
    68,478.59/94,500.92 = 38,265.19/x
  3. Step 3: Cross multiply
    68,478.59x = 94,500.92 × 38,265.19
  4. Step 4: Simplify right side
    68,478.59x = 3,616,095,658.97
  5. Step 5: Solve for x
    x = 3,616,095,658.97/68,478.59
  6. Step 6: Final answer
    x = 52,806.22

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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.