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Finding the Fourth Proportional to 26,791.32, 36,965.05 and 16,031.58

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Solution

The fourth proportional to 26,791.32, 36,965.05 and 16,031.58 is: 22,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.32 : 36,965.05 = 16,031.58 : x
  2. Step 2: Convert to fraction form
    26,791.32/36,965.05 = 16,031.58/x
  3. Step 3: Cross multiply
    26,791.32x = 36,965.05 × 16,031.58
  4. Step 4: Simplify right side
    26,791.32x = 592,608,156.28
  5. Step 5: Solve for x
    x = 592,608,156.28/26,791.32
  6. Step 6: Final answer
    x = 22,119.41

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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.