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Finding the Fourth Proportional to 3,393.52, 4,691.76 and 2,353.36

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Solution

The fourth proportional to 3,393.52, 4,691.76 and 2,353.36 is: 3,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.52 : 4,691.76 = 2,353.36 : x
  2. Step 2: Convert to fraction form
    3,393.52/4,691.76 = 2,353.36/x
  3. Step 3: Cross multiply
    3,393.52x = 4,691.76 × 2,353.36
  4. Step 4: Simplify right side
    3,393.52x = 11,041,400.31
  5. Step 5: Solve for x
    x = 11,041,400.31/3,393.52
  6. Step 6: Final answer
    x = 3,253.67

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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.