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Finding the Fourth Proportional to 4,338.72, 5,984.64 and 3,342.24

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Solution

The fourth proportional to 4,338.72, 5,984.64 and 3,342.24 is: 4,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.72 : 5,984.64 = 3,342.24 : x
  2. Step 2: Convert to fraction form
    4,338.72/5,984.64 = 3,342.24/x
  3. Step 3: Cross multiply
    4,338.72x = 5,984.64 × 3,342.24
  4. Step 4: Simplify right side
    4,338.72x = 20,002,103.19
  5. Step 5: Solve for x
    x = 20,002,103.19/4,338.72
  6. Step 6: Final answer
    x = 4,610.14

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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.