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Finding the Fourth Proportional to 8,999.44, 13,498.54 and 2,758.92

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Solution

The fourth proportional to 8,999.44, 13,498.54 and 2,758.92 is: 4,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.44 : 13,498.54 = 2,758.92 : x
  2. Step 2: Convert to fraction form
    8,999.44/13,498.54 = 2,758.92/x
  3. Step 3: Cross multiply
    8,999.44x = 13,498.54 × 2,758.92
  4. Step 4: Simplify right side
    8,999.44x = 37,241,391.98
  5. Step 5: Solve for x
    x = 37,241,391.98/8,999.44
  6. Step 6: Final answer
    x = 4,138.19

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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.