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Finding the Fourth Proportional to 8,614.98, 11,888.25 and 4,890.18

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Solution

The fourth proportional to 8,614.98, 11,888.25 and 4,890.18 is: 6,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.98 : 11,888.25 = 4,890.18 : x
  2. Step 2: Convert to fraction form
    8,614.98/11,888.25 = 4,890.18/x
  3. Step 3: Cross multiply
    8,614.98x = 11,888.25 × 4,890.18
  4. Step 4: Simplify right side
    8,614.98x = 58,135,682.39
  5. Step 5: Solve for x
    x = 58,135,682.39/8,614.98
  6. Step 6: Final answer
    x = 6,748.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.