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Finding the Fourth Proportional to 26,642.31, 39,963.39 and 25,018.39

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Solution

The fourth proportional to 26,642.31, 39,963.39 and 25,018.39 is: 37,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,642.31 : 39,963.39 = 25,018.39 : x
  2. Step 2: Convert to fraction form
    26,642.31/39,963.39 = 25,018.39/x
  3. Step 3: Cross multiply
    26,642.31x = 39,963.39 × 25,018.39
  4. Step 4: Simplify right side
    26,642.31x = 999,819,676.74
  5. Step 5: Solve for x
    x = 999,819,676.74/26,642.31
  6. Step 6: Final answer
    x = 37,527.51

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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.