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Finding the Fourth Proportional to 8,776.76, 13,163.19 and 2,535.42

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Solution

The fourth proportional to 8,776.76, 13,163.19 and 2,535.42 is: 3,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.76 : 13,163.19 = 2,535.42 : x
  2. Step 2: Convert to fraction form
    8,776.76/13,163.19 = 2,535.42/x
  3. Step 3: Cross multiply
    8,776.76x = 13,163.19 × 2,535.42
  4. Step 4: Simplify right side
    8,776.76x = 33,374,149.37
  5. Step 5: Solve for x
    x = 33,374,149.37/8,776.76
  6. Step 6: Final answer
    x = 3,802.56

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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.