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Finding the Fourth Proportional to 17,612.15, 26,401.68 and 5,917.19

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Solution

The fourth proportional to 17,612.15, 26,401.68 and 5,917.19 is: 8,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.15 : 26,401.68 = 5,917.19 : x
  2. Step 2: Convert to fraction form
    17,612.15/26,401.68 = 5,917.19/x
  3. Step 3: Cross multiply
    17,612.15x = 26,401.68 × 5,917.19
  4. Step 4: Simplify right side
    17,612.15x = 156,223,624.87
  5. Step 5: Solve for x
    x = 156,223,624.87/17,612.15
  6. Step 6: Final answer
    x = 8,870.22

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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.