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Finding the Fourth Proportional to 26,339.91, 36,349.11 and 15,008.91

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Solution

The fourth proportional to 26,339.91, 36,349.11 and 15,008.91 is: 20,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.91 : 36,349.11 = 15,008.91 : x
  2. Step 2: Convert to fraction form
    26,339.91/36,349.11 = 15,008.91/x
  3. Step 3: Cross multiply
    26,339.91x = 36,349.11 × 15,008.91
  4. Step 4: Simplify right side
    26,339.91x = 545,560,520.57
  5. Step 5: Solve for x
    x = 545,560,520.57/26,339.91
  6. Step 6: Final answer
    x = 20,712.32

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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.