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Finding the Fourth Proportional to 27,608.32, 41,419.09 and 8,890.11

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Solution

The fourth proportional to 27,608.32, 41,419.09 and 8,890.11 is: 13,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.32 : 41,419.09 = 8,890.11 : x
  2. Step 2: Convert to fraction form
    27,608.32/41,419.09 = 8,890.11/x
  3. Step 3: Cross multiply
    27,608.32x = 41,419.09 × 8,890.11
  4. Step 4: Simplify right side
    27,608.32x = 368,220,432.63
  5. Step 5: Solve for x
    x = 368,220,432.63/27,608.32
  6. Step 6: Final answer
    x = 13,337.30

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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.