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Finding the Fourth Proportional to 6,625.68, 9,938.00 and 2,928.03

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Solution

The fourth proportional to 6,625.68, 9,938.00 and 2,928.03 is: 4,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.68 : 9,938.00 = 2,928.03 : x
  2. Step 2: Convert to fraction form
    6,625.68/9,938.00 = 2,928.03/x
  3. Step 3: Cross multiply
    6,625.68x = 9,938.00 × 2,928.03
  4. Step 4: Simplify right side
    6,625.68x = 29,098,697.81
  5. Step 5: Solve for x
    x = 29,098,697.81/6,625.68
  6. Step 6: Final answer
    x = 4,391.81

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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.