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Finding the Fourth Proportional to 9,114.76, 13,672.14 and 3,273.08

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Solution

The fourth proportional to 9,114.76, 13,672.14 and 3,273.08 is: 4,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.76 : 13,672.14 = 3,273.08 : x
  2. Step 2: Convert to fraction form
    9,114.76/13,672.14 = 3,273.08/x
  3. Step 3: Cross multiply
    9,114.76x = 13,672.14 × 3,273.08
  4. Step 4: Simplify right side
    9,114.76x = 44,750,007.99
  5. Step 5: Solve for x
    x = 44,750,007.99/9,114.76
  6. Step 6: Final answer
    x = 4,909.62

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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.