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Finding the Fourth Proportional to 34,360.64, 51,560.78 and 18,565.71

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Solution

The fourth proportional to 34,360.64, 51,560.78 and 18,565.71 is: 27,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,360.64 : 51,560.78 = 18,565.71 : x
  2. Step 2: Convert to fraction form
    34,360.64/51,560.78 = 18,565.71/x
  3. Step 3: Cross multiply
    34,360.64x = 51,560.78 × 18,565.71
  4. Step 4: Simplify right side
    34,360.64x = 957,262,396.03
  5. Step 5: Solve for x
    x = 957,262,396.03/34,360.64
  6. Step 6: Final answer
    x = 27,859.28

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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.