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Finding the Fourth Proportional to 5,330.88, 7,366.74 and 4,002.30

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Solution

The fourth proportional to 5,330.88, 7,366.74 and 4,002.30 is: 5,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.88 : 7,366.74 = 4,002.30 : x
  2. Step 2: Convert to fraction form
    5,330.88/7,366.74 = 4,002.30/x
  3. Step 3: Cross multiply
    5,330.88x = 7,366.74 × 4,002.30
  4. Step 4: Simplify right side
    5,330.88x = 29,483,903.50
  5. Step 5: Solve for x
    x = 29,483,903.50/5,330.88
  6. Step 6: Final answer
    x = 5,530.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.