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Finding the Fourth Proportional to 34,380.78, 51,619.08 and 17,752.82

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Solution

The fourth proportional to 34,380.78, 51,619.08 and 17,752.82 is: 26,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,380.78 : 51,619.08 = 17,752.82 : x
  2. Step 2: Convert to fraction form
    34,380.78/51,619.08 = 17,752.82/x
  3. Step 3: Cross multiply
    34,380.78x = 51,619.08 × 17,752.82
  4. Step 4: Simplify right side
    34,380.78x = 916,383,977.71
  5. Step 5: Solve for x
    x = 916,383,977.71/34,380.78
  6. Step 6: Final answer
    x = 26,653.96

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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.