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Finding the Fourth Proportional to 26,879.70, 40,319.55 and 9,337.13

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Solution

The fourth proportional to 26,879.70, 40,319.55 and 9,337.13 is: 14,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,879.70 : 40,319.55 = 9,337.13 : x
  2. Step 2: Convert to fraction form
    26,879.70/40,319.55 = 9,337.13/x
  3. Step 3: Cross multiply
    26,879.70x = 40,319.55 × 9,337.13
  4. Step 4: Simplify right side
    26,879.70x = 376,468,678.29
  5. Step 5: Solve for x
    x = 376,468,678.29/26,879.70
  6. Step 6: Final answer
    x = 14,005.69

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Similar ratio
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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.