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Finding the Fourth Proportional to 8,773.19, 13,161.18 and 3,508.19

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Solution

The fourth proportional to 8,773.19, 13,161.18 and 3,508.19 is: 5,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.19 : 13,161.18 = 3,508.19 : x
  2. Step 2: Convert to fraction form
    8,773.19/13,161.18 = 3,508.19/x
  3. Step 3: Cross multiply
    8,773.19x = 13,161.18 × 3,508.19
  4. Step 4: Simplify right side
    8,773.19x = 46,171,920.06
  5. Step 5: Solve for x
    x = 46,171,920.06/8,773.19
  6. Step 6: Final answer
    x = 5,262.84

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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.