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Finding the Fourth Proportional to 8,884.86, 13,289.13 and 5,177.82

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Solution

The fourth proportional to 8,884.86, 13,289.13 and 5,177.82 is: 7,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.86 : 13,289.13 = 5,177.82 : x
  2. Step 2: Convert to fraction form
    8,884.86/13,289.13 = 5,177.82/x
  3. Step 3: Cross multiply
    8,884.86x = 13,289.13 × 5,177.82
  4. Step 4: Simplify right side
    8,884.86x = 68,808,723.10
  5. Step 5: Solve for x
    x = 68,808,723.10/8,884.86
  6. Step 6: Final answer
    x = 7,744.49

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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.