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Finding the Fourth Proportional to 26,393.38, 39,593.70 and 8,868.22

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Solution

The fourth proportional to 26,393.38, 39,593.70 and 8,868.22 is: 13,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.38 : 39,593.70 = 8,868.22 : x
  2. Step 2: Convert to fraction form
    26,393.38/39,593.70 = 8,868.22/x
  3. Step 3: Cross multiply
    26,393.38x = 39,593.70 × 8,868.22
  4. Step 4: Simplify right side
    26,393.38x = 351,125,642.21
  5. Step 5: Solve for x
    x = 351,125,642.21/26,393.38
  6. Step 6: Final answer
    x = 13,303.55

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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.