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Finding the Fourth Proportional to 68,489.83, 94,503.93 and 38,265.49

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Solution

The fourth proportional to 68,489.83, 94,503.93 and 38,265.49 is: 52,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,489.83 : 94,503.93 = 38,265.49 : x
  2. Step 2: Convert to fraction form
    68,489.83/94,503.93 = 38,265.49/x
  3. Step 3: Cross multiply
    68,489.83x = 94,503.93 × 38,265.49
  4. Step 4: Simplify right side
    68,489.83x = 3,616,238,715.86
  5. Step 5: Solve for x
    x = 3,616,238,715.86/68,489.83
  6. Step 6: Final answer
    x = 52,799.65

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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.