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Finding the Fourth Proportional to 26,339.88, 36,338.88 and 16,250.76

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Solution

The fourth proportional to 26,339.88, 36,338.88 and 16,250.76 is: 22,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.88 : 36,338.88 = 16,250.76 : x
  2. Step 2: Convert to fraction form
    26,339.88/36,338.88 = 16,250.76/x
  3. Step 3: Cross multiply
    26,339.88x = 36,338.88 × 16,250.76
  4. Step 4: Simplify right side
    26,339.88x = 590,534,417.55
  5. Step 5: Solve for x
    x = 590,534,417.55/26,339.88
  6. Step 6: Final answer
    x = 22,419.78

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Half scale
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Double scale
Find fourth proportional to 26,340.88, 36,340.26 and 16,251.76
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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.