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Finding the Fourth Proportional to 4,492.60, 6,739.13 and 1,373.09

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Solution

The fourth proportional to 4,492.60, 6,739.13 and 1,373.09 is: 2,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.60 : 6,739.13 = 1,373.09 : x
  2. Step 2: Convert to fraction form
    4,492.60/6,739.13 = 1,373.09/x
  3. Step 3: Cross multiply
    4,492.60x = 6,739.13 × 1,373.09
  4. Step 4: Simplify right side
    4,492.60x = 9,253,401.75
  5. Step 5: Solve for x
    x = 9,253,401.75/4,492.60
  6. Step 6: Final answer
    x = 2,059.70

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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.