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Finding the Fourth Proportional to 8,684.56, 13,026.84 and 2,110.74

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Solution

The fourth proportional to 8,684.56, 13,026.84 and 2,110.74 is: 3,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.56 : 13,026.84 = 2,110.74 : x
  2. Step 2: Convert to fraction form
    8,684.56/13,026.84 = 2,110.74/x
  3. Step 3: Cross multiply
    8,684.56x = 13,026.84 × 2,110.74
  4. Step 4: Simplify right side
    8,684.56x = 27,496,272.26
  5. Step 5: Solve for x
    x = 27,496,272.26/8,684.56
  6. Step 6: Final answer
    x = 3,166.11

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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.