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Finding the Fourth Proportional to 60,083.55, 90,129.96 and 17,960.70

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Solution

The fourth proportional to 60,083.55, 90,129.96 and 17,960.70 is: 26,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,083.55 : 90,129.96 = 17,960.70 : x
  2. Step 2: Convert to fraction form
    60,083.55/90,129.96 = 17,960.70/x
  3. Step 3: Cross multiply
    60,083.55x = 90,129.96 × 17,960.70
  4. Step 4: Simplify right side
    60,083.55x = 1,618,797,172.57
  5. Step 5: Solve for x
    x = 1,618,797,172.57/60,083.55
  6. Step 6: Final answer
    x = 26,942.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.