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Finding the Fourth Proportional to 75,084.62, 103,615.86 and 41,092.76

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Solution

The fourth proportional to 75,084.62, 103,615.86 and 41,092.76 is: 56,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.62 : 103,615.86 = 41,092.76 : x
  2. Step 2: Convert to fraction form
    75,084.62/103,615.86 = 41,092.76/x
  3. Step 3: Cross multiply
    75,084.62x = 103,615.86 × 41,092.76
  4. Step 4: Simplify right side
    75,084.62x = 4,257,861,667.17
  5. Step 5: Solve for x
    x = 4,257,861,667.17/75,084.62
  6. Step 6: Final answer
    x = 56,707.51

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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.