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Finding the Fourth Proportional to 4,343.48, 6,520.98 and 4,193.72

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Solution

The fourth proportional to 4,343.48, 6,520.98 and 4,193.72 is: 6,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.48 : 6,520.98 = 4,193.72 : x
  2. Step 2: Convert to fraction form
    4,343.48/6,520.98 = 4,193.72/x
  3. Step 3: Cross multiply
    4,343.48x = 6,520.98 × 4,193.72
  4. Step 4: Simplify right side
    4,343.48x = 27,347,164.25
  5. Step 5: Solve for x
    x = 27,347,164.25/4,343.48
  6. Step 6: Final answer
    x = 6,296.14

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1.5x scale

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.