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Finding the Fourth Proportional to 7,158.88, 10,735.62 and 3,459.88

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Solution

The fourth proportional to 7,158.88, 10,735.62 and 3,459.88 is: 5,188.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.88 : 10,735.62 = 3,459.88 : x
  2. Step 2: Convert to fraction form
    7,158.88/10,735.62 = 3,459.88/x
  3. Step 3: Cross multiply
    7,158.88x = 10,735.62 × 3,459.88
  4. Step 4: Simplify right side
    7,158.88x = 37,143,956.93
  5. Step 5: Solve for x
    x = 37,143,956.93/7,158.88
  6. Step 6: Final answer
    x = 5,188.52

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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.