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Finding the Fourth Proportional to 3,349.76, 4,609.10 and 3,263.90

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Solution

The fourth proportional to 3,349.76, 4,609.10 and 3,263.90 is: 4,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.76 : 4,609.10 = 3,263.90 : x
  2. Step 2: Convert to fraction form
    3,349.76/4,609.10 = 3,263.90/x
  3. Step 3: Cross multiply
    3,349.76x = 4,609.10 × 3,263.90
  4. Step 4: Simplify right side
    3,349.76x = 15,043,626.60
  5. Step 5: Solve for x
    x = 15,043,626.60/3,349.76
  6. Step 6: Final answer
    x = 4,490.96

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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.