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Finding the Fourth Proportional to 40,609.71, 60,939.16 and 17,236.15

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Solution

The fourth proportional to 40,609.71, 60,939.16 and 17,236.15 is: 25,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,609.71 : 60,939.16 = 17,236.15 : x
  2. Step 2: Convert to fraction form
    40,609.71/60,939.16 = 17,236.15/x
  3. Step 3: Cross multiply
    40,609.71x = 60,939.16 × 17,236.15
  4. Step 4: Simplify right side
    40,609.71x = 1,050,356,502.63
  5. Step 5: Solve for x
    x = 1,050,356,502.63/40,609.71
  6. Step 6: Final answer
    x = 25,864.66

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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.