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Finding the Fourth Proportional to 8,674.66, 13,014.42 and 3,484.18

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Solution

The fourth proportional to 8,674.66, 13,014.42 and 3,484.18 is: 5,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.66 : 13,014.42 = 3,484.18 : x
  2. Step 2: Convert to fraction form
    8,674.66/13,014.42 = 3,484.18/x
  3. Step 3: Cross multiply
    8,674.66x = 13,014.42 × 3,484.18
  4. Step 4: Simplify right side
    8,674.66x = 45,344,581.88
  5. Step 5: Solve for x
    x = 45,344,581.88/8,674.66
  6. Step 6: Final answer
    x = 5,227.25

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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.