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Finding the Fourth Proportional to 9,487.67, 14,230.25 and 2,913.30

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Solution

The fourth proportional to 9,487.67, 14,230.25 and 2,913.30 is: 4,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.67 : 14,230.25 = 2,913.30 : x
  2. Step 2: Convert to fraction form
    9,487.67/14,230.25 = 2,913.30/x
  3. Step 3: Cross multiply
    9,487.67x = 14,230.25 × 2,913.30
  4. Step 4: Simplify right side
    9,487.67x = 41,456,983.68
  5. Step 5: Solve for x
    x = 41,456,983.68/9,487.67
  6. Step 6: Final answer
    x = 4,369.57

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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.