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Finding the Fourth Proportional to 6,607.27, 9,903.99 and 3,490.79

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Solution

The fourth proportional to 6,607.27, 9,903.99 and 3,490.79 is: 5,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.27 : 9,903.99 = 3,490.79 : x
  2. Step 2: Convert to fraction form
    6,607.27/9,903.99 = 3,490.79/x
  3. Step 3: Cross multiply
    6,607.27x = 9,903.99 × 3,490.79
  4. Step 4: Simplify right side
    6,607.27x = 34,572,749.25
  5. Step 5: Solve for x
    x = 34,572,749.25/6,607.27
  6. Step 6: Final answer
    x = 5,232.53

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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.