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Finding the Fourth Proportional to 8,778.86, 13,163.03 and 4,029.06

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Solution

The fourth proportional to 8,778.86, 13,163.03 and 4,029.06 is: 6,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.86 : 13,163.03 = 4,029.06 : x
  2. Step 2: Convert to fraction form
    8,778.86/13,163.03 = 4,029.06/x
  3. Step 3: Cross multiply
    8,778.86x = 13,163.03 × 4,029.06
  4. Step 4: Simplify right side
    8,778.86x = 53,034,617.51
  5. Step 5: Solve for x
    x = 53,034,617.51/8,778.86
  6. Step 6: Final answer
    x = 6,041.18

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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.