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Finding the Fourth Proportional to 40,407.93, 55,766.03 and 23,416.79

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Solution

The fourth proportional to 40,407.93, 55,766.03 and 23,416.79 is: 32,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,407.93 : 55,766.03 = 23,416.79 : x
  2. Step 2: Convert to fraction form
    40,407.93/55,766.03 = 23,416.79/x
  3. Step 3: Cross multiply
    40,407.93x = 55,766.03 × 23,416.79
  4. Step 4: Simplify right side
    40,407.93x = 1,305,861,017.73
  5. Step 5: Solve for x
    x = 1,305,861,017.73/40,407.93
  6. Step 6: Final answer
    x = 32,316.95

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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.