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Finding the Fourth Proportional to 8,776.86, 13,167.44 and 6,184.86

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Solution

The fourth proportional to 8,776.86, 13,167.44 and 6,184.86 is: 9,278.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.86 : 13,167.44 = 6,184.86 : x
  2. Step 2: Convert to fraction form
    8,776.86/13,167.44 = 6,184.86/x
  3. Step 3: Cross multiply
    8,776.86x = 13,167.44 × 6,184.86
  4. Step 4: Simplify right side
    8,776.86x = 81,438,772.96
  5. Step 5: Solve for x
    x = 81,438,772.96/8,776.86
  6. Step 6: Final answer
    x = 9,278.81

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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.