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Finding the Fourth Proportional to 8,777.48, 13,166.90 and 2,934.11

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Solution

The fourth proportional to 8,777.48, 13,166.90 and 2,934.11 is: 4,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.48 : 13,166.90 = 2,934.11 : x
  2. Step 2: Convert to fraction form
    8,777.48/13,166.90 = 2,934.11/x
  3. Step 3: Cross multiply
    8,777.48x = 13,166.90 × 2,934.11
  4. Step 4: Simplify right side
    8,777.48x = 38,633,132.96
  5. Step 5: Solve for x
    x = 38,633,132.96/8,777.48
  6. Step 6: Final answer
    x = 4,401.39

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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.