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Finding the Fourth Proportional to 2,749.89, 4,125.24 and 995.03

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Solution

The fourth proportional to 2,749.89, 4,125.24 and 995.03 is: 1,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.89 : 4,125.24 = 995.03 : x
  2. Step 2: Convert to fraction form
    2,749.89/4,125.24 = 995.03/x
  3. Step 3: Cross multiply
    2,749.89x = 4,125.24 × 995.03
  4. Step 4: Simplify right side
    2,749.89x = 4,104,737.56
  5. Step 5: Solve for x
    x = 4,104,737.56/2,749.89
  6. Step 6: Final answer
    x = 1,492.69

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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.