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Finding the Fourth Proportional to 8,800.82, 12,144.84 and 5,262.20

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Solution

The fourth proportional to 8,800.82, 12,144.84 and 5,262.20 is: 7,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.82 : 12,144.84 = 5,262.20 : x
  2. Step 2: Convert to fraction form
    8,800.82/12,144.84 = 5,262.20/x
  3. Step 3: Cross multiply
    8,800.82x = 12,144.84 × 5,262.20
  4. Step 4: Simplify right side
    8,800.82x = 63,908,577.05
  5. Step 5: Solve for x
    x = 63,908,577.05/8,800.82
  6. Step 6: Final answer
    x = 7,261.66

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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.