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Finding the Fourth Proportional to 8,674.75, 13,012.17 and 2,518.75

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Solution

The fourth proportional to 8,674.75, 13,012.17 and 2,518.75 is: 3,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.75 : 13,012.17 = 2,518.75 : x
  2. Step 2: Convert to fraction form
    8,674.75/13,012.17 = 2,518.75/x
  3. Step 3: Cross multiply
    8,674.75x = 13,012.17 × 2,518.75
  4. Step 4: Simplify right side
    8,674.75x = 32,774,403.19
  5. Step 5: Solve for x
    x = 32,774,403.19/8,674.75
  6. Step 6: Final answer
    x = 3,778.14

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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.