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Finding the Fourth Proportional to 2,750.89, 4,124.85 and 995.62

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Solution

The fourth proportional to 2,750.89, 4,124.85 and 995.62 is: 1,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.89 : 4,124.85 = 995.62 : x
  2. Step 2: Convert to fraction form
    2,750.89/4,124.85 = 995.62/x
  3. Step 3: Cross multiply
    2,750.89x = 4,124.85 × 995.62
  4. Step 4: Simplify right side
    2,750.89x = 4,106,783.16
  5. Step 5: Solve for x
    x = 4,106,783.16/2,750.89
  6. Step 6: Final answer
    x = 1,492.89

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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.