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Finding the Fourth Proportional to 26,749.17, 40,123.65 and 8,029.12

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Solution

The fourth proportional to 26,749.17, 40,123.65 and 8,029.12 is: 12,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.17 : 40,123.65 = 8,029.12 : x
  2. Step 2: Convert to fraction form
    26,749.17/40,123.65 = 8,029.12/x
  3. Step 3: Cross multiply
    26,749.17x = 40,123.65 × 8,029.12
  4. Step 4: Simplify right side
    26,749.17x = 322,157,673.42
  5. Step 5: Solve for x
    x = 322,157,673.42/26,749.17
  6. Step 6: Final answer
    x = 12,043.65

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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.