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Finding the Fourth Proportional to 6,391.44, 9,598.16 and 3,475.44

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Solution

The fourth proportional to 6,391.44, 9,598.16 and 3,475.44 is: 5,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.44 : 9,598.16 = 3,475.44 : x
  2. Step 2: Convert to fraction form
    6,391.44/9,598.16 = 3,475.44/x
  3. Step 3: Cross multiply
    6,391.44x = 9,598.16 × 3,475.44
  4. Step 4: Simplify right side
    6,391.44x = 33,357,829.19
  5. Step 5: Solve for x
    x = 33,357,829.19/6,391.44
  6. Step 6: Final answer
    x = 5,219.14

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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.