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Finding the Fourth Proportional to 40,541.50, 60,785.16 and 16,842.88

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Solution

The fourth proportional to 40,541.50, 60,785.16 and 16,842.88 is: 25,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,541.50 : 60,785.16 = 16,842.88 : x
  2. Step 2: Convert to fraction form
    40,541.50/60,785.16 = 16,842.88/x
  3. Step 3: Cross multiply
    40,541.50x = 60,785.16 × 16,842.88
  4. Step 4: Simplify right side
    40,541.50x = 1,023,797,155.66
  5. Step 5: Solve for x
    x = 1,023,797,155.66/40,541.50
  6. Step 6: Final answer
    x = 25,253.07

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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.