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Finding the Fourth Proportional to 26,899.53, 40,354.70 and 10,259.70

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Solution

The fourth proportional to 26,899.53, 40,354.70 and 10,259.70 is: 15,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,899.53 : 40,354.70 = 10,259.70 : x
  2. Step 2: Convert to fraction form
    26,899.53/40,354.70 = 10,259.70/x
  3. Step 3: Cross multiply
    26,899.53x = 40,354.70 × 10,259.70
  4. Step 4: Simplify right side
    26,899.53x = 414,027,064.29
  5. Step 5: Solve for x
    x = 414,027,064.29/26,899.53
  6. Step 6: Final answer
    x = 15,391.61

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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.