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Finding the Fourth Proportional to 22,751.34, 34,125.82 and 8,718.09

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Solution

The fourth proportional to 22,751.34, 34,125.82 and 8,718.09 is: 13,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.34 : 34,125.82 = 8,718.09 : x
  2. Step 2: Convert to fraction form
    22,751.34/34,125.82 = 8,718.09/x
  3. Step 3: Cross multiply
    22,751.34x = 34,125.82 × 8,718.09
  4. Step 4: Simplify right side
    22,751.34x = 297,511,970.08
  5. Step 5: Solve for x
    x = 297,511,970.08/22,751.34
  6. Step 6: Final answer
    x = 13,076.68

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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.