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Finding the Fourth Proportional to 8,766.42, 13,149.81 and 2,526.90

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Solution

The fourth proportional to 8,766.42, 13,149.81 and 2,526.90 is: 3,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.42 : 13,149.81 = 2,526.90 : x
  2. Step 2: Convert to fraction form
    8,766.42/13,149.81 = 2,526.90/x
  3. Step 3: Cross multiply
    8,766.42x = 13,149.81 × 2,526.90
  4. Step 4: Simplify right side
    8,766.42x = 33,228,254.89
  5. Step 5: Solve for x
    x = 33,228,254.89/8,766.42
  6. Step 6: Final answer
    x = 3,790.40

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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.