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Finding the Fourth Proportional to 26,139.31, 36,073.01 and 14,203.42

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Solution

The fourth proportional to 26,139.31, 36,073.01 and 14,203.42 is: 19,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.31 : 36,073.01 = 14,203.42 : x
  2. Step 2: Convert to fraction form
    26,139.31/36,073.01 = 14,203.42/x
  3. Step 3: Cross multiply
    26,139.31x = 36,073.01 × 14,203.42
  4. Step 4: Simplify right side
    26,139.31x = 512,360,057.02
  5. Step 5: Solve for x
    x = 512,360,057.02/26,139.31
  6. Step 6: Final answer
    x = 19,601.13

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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.