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Finding the Fourth Proportional to 8,878.74, 13,309.20 and 5,950.32

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Solution

The fourth proportional to 8,878.74, 13,309.20 and 5,950.32 is: 8,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.74 : 13,309.20 = 5,950.32 : x
  2. Step 2: Convert to fraction form
    8,878.74/13,309.20 = 5,950.32/x
  3. Step 3: Cross multiply
    8,878.74x = 13,309.20 × 5,950.32
  4. Step 4: Simplify right side
    8,878.74x = 79,193,998.94
  5. Step 5: Solve for x
    x = 79,193,998.94/8,878.74
  6. Step 6: Final answer
    x = 8,919.51

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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.