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Finding the Fourth Proportional to 60,388.93, 90,613.50 and 27,132.76

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Solution

The fourth proportional to 60,388.93, 90,613.50 and 27,132.76 is: 40,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,388.93 : 90,613.50 = 27,132.76 : x
  2. Step 2: Convert to fraction form
    60,388.93/90,613.50 = 27,132.76/x
  3. Step 3: Cross multiply
    60,388.93x = 90,613.50 × 27,132.76
  4. Step 4: Simplify right side
    60,388.93x = 2,458,594,348.26
  5. Step 5: Solve for x
    x = 2,458,594,348.26/60,388.93
  6. Step 6: Final answer
    x = 40,712.67

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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.