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Finding the Fourth Proportional to 7,751.13, 11,627.49 and 2,484.84

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Solution

The fourth proportional to 7,751.13, 11,627.49 and 2,484.84 is: 3,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.13 : 11,627.49 = 2,484.84 : x
  2. Step 2: Convert to fraction form
    7,751.13/11,627.49 = 2,484.84/x
  3. Step 3: Cross multiply
    7,751.13x = 11,627.49 × 2,484.84
  4. Step 4: Simplify right side
    7,751.13x = 28,892,452.25
  5. Step 5: Solve for x
    x = 28,892,452.25/7,751.13
  6. Step 6: Final answer
    x = 3,727.51

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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.