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Finding the Fourth Proportional to 7,503.73, 11,254.68 and 3,120.62

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Solution

The fourth proportional to 7,503.73, 11,254.68 and 3,120.62 is: 4,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.73 : 11,254.68 = 3,120.62 : x
  2. Step 2: Convert to fraction form
    7,503.73/11,254.68 = 3,120.62/x
  3. Step 3: Cross multiply
    7,503.73x = 11,254.68 × 3,120.62
  4. Step 4: Simplify right side
    7,503.73x = 35,121,523.23
  5. Step 5: Solve for x
    x = 35,121,523.23/7,503.73
  6. Step 6: Final answer
    x = 4,680.54

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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.