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Finding the Fourth Proportional to 8,800.32, 13,191.84 and 5,679.84

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Solution

The fourth proportional to 8,800.32, 13,191.84 and 5,679.84 is: 8,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.32 : 13,191.84 = 5,679.84 : x
  2. Step 2: Convert to fraction form
    8,800.32/13,191.84 = 5,679.84/x
  3. Step 3: Cross multiply
    8,800.32x = 13,191.84 × 5,679.84
  4. Step 4: Simplify right side
    8,800.32x = 74,927,540.51
  5. Step 5: Solve for x
    x = 74,927,540.51/8,800.32
  6. Step 6: Final answer
    x = 8,514.18

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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.