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Finding the Fourth Proportional to 26,868.61, 40,303.01 and 9,338.59

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Solution

The fourth proportional to 26,868.61, 40,303.01 and 9,338.59 is: 14,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.61 : 40,303.01 = 9,338.59 : x
  2. Step 2: Convert to fraction form
    26,868.61/40,303.01 = 9,338.59/x
  3. Step 3: Cross multiply
    26,868.61x = 40,303.01 × 9,338.59
  4. Step 4: Simplify right side
    26,868.61x = 376,373,286.16
  5. Step 5: Solve for x
    x = 376,373,286.16/26,868.61
  6. Step 6: Final answer
    x = 14,007.92

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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.