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Finding the Fourth Proportional to 4,832.40, 7,248 and 4,015.92

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Solution

The fourth proportional to 4,832.40, 7,248 and 4,015.92 is: 6,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,832.40 : 7,248 = 4,015.92 : x
  2. Step 2: Convert to fraction form
    4,832.40/7,248 = 4,015.92/x
  3. Step 3: Cross multiply
    4,832.40x = 7,248 × 4,015.92
  4. Step 4: Simplify right side
    4,832.40x = 29,107,388.16
  5. Step 5: Solve for x
    x = 29,107,388.16/4,832.40
  6. Step 6: Final answer
    x = 6,023.38

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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.