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Finding the Fourth Proportional to 40,608.76, 60,916.65 and 14,313.73

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Solution

The fourth proportional to 40,608.76, 60,916.65 and 14,313.73 is: 21,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.76 : 60,916.65 = 14,313.73 : x
  2. Step 2: Convert to fraction form
    40,608.76/60,916.65 = 14,313.73/x
  3. Step 3: Cross multiply
    40,608.76x = 60,916.65 × 14,313.73
  4. Step 4: Simplify right side
    40,608.76x = 871,944,480.60
  5. Step 5: Solve for x
    x = 871,944,480.60/40,608.76
  6. Step 6: Final answer
    x = 21,471.83

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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.