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Finding the Fourth Proportional to 29,548.92, 40,765.50 and 18,944.76

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Solution

The fourth proportional to 29,548.92, 40,765.50 and 18,944.76 is: 26,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,548.92 : 40,765.50 = 18,944.76 : x
  2. Step 2: Convert to fraction form
    29,548.92/40,765.50 = 18,944.76/x
  3. Step 3: Cross multiply
    29,548.92x = 40,765.50 × 18,944.76
  4. Step 4: Simplify right side
    29,548.92x = 772,292,613.78
  5. Step 5: Solve for x
    x = 772,292,613.78/29,548.92
  6. Step 6: Final answer
    x = 26,136.07

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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.