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Finding the Fourth Proportional to 3,492.85, 4,819.37 and 2,548.86

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Solution

The fourth proportional to 3,492.85, 4,819.37 and 2,548.86 is: 3,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.85 : 4,819.37 = 2,548.86 : x
  2. Step 2: Convert to fraction form
    3,492.85/4,819.37 = 2,548.86/x
  3. Step 3: Cross multiply
    3,492.85x = 4,819.37 × 2,548.86
  4. Step 4: Simplify right side
    3,492.85x = 12,283,905.79
  5. Step 5: Solve for x
    x = 12,283,905.79/3,492.85
  6. Step 6: Final answer
    x = 3,516.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.