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Finding the Fourth Proportional to 2,750.49, 4,125.29 and 995.18

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Solution

The fourth proportional to 2,750.49, 4,125.29 and 995.18 is: 1,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.49 : 4,125.29 = 995.18 : x
  2. Step 2: Convert to fraction form
    2,750.49/4,125.29 = 995.18/x
  3. Step 3: Cross multiply
    2,750.49x = 4,125.29 × 995.18
  4. Step 4: Simplify right side
    2,750.49x = 4,105,380.50
  5. Step 5: Solve for x
    x = 4,105,380.50/2,750.49
  6. Step 6: Final answer
    x = 1,492.60

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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.