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Finding the Fourth Proportional to 8,648.96, 11,932.80 and 5,853.44

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Solution

The fourth proportional to 8,648.96, 11,932.80 and 5,853.44 is: 8,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.96 : 11,932.80 = 5,853.44 : x
  2. Step 2: Convert to fraction form
    8,648.96/11,932.80 = 5,853.44/x
  3. Step 3: Cross multiply
    8,648.96x = 11,932.80 × 5,853.44
  4. Step 4: Simplify right side
    8,648.96x = 69,847,928.83
  5. Step 5: Solve for x
    x = 69,847,928.83/8,648.96
  6. Step 6: Final answer
    x = 8,075.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.