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Finding the Fourth Proportional to 6,703.60, 9,250.97 and 3,719.46

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Solution

The fourth proportional to 6,703.60, 9,250.97 and 3,719.46 is: 5,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.60 : 9,250.97 = 3,719.46 : x
  2. Step 2: Convert to fraction form
    6,703.60/9,250.97 = 3,719.46/x
  3. Step 3: Cross multiply
    6,703.60x = 9,250.97 × 3,719.46
  4. Step 4: Simplify right side
    6,703.60x = 34,408,612.88
  5. Step 5: Solve for x
    x = 34,408,612.88/6,703.60
  6. Step 6: Final answer
    x = 5,132.86

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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.