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Finding the Fourth Proportional to 4,926.60, 7,388.60 and 2,459.60

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Solution

The fourth proportional to 4,926.60, 7,388.60 and 2,459.60 is: 3,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.60 : 7,388.60 = 2,459.60 : x
  2. Step 2: Convert to fraction form
    4,926.60/7,388.60 = 2,459.60/x
  3. Step 3: Cross multiply
    4,926.60x = 7,388.60 × 2,459.60
  4. Step 4: Simplify right side
    4,926.60x = 18,173,000.56
  5. Step 5: Solve for x
    x = 18,173,000.56/4,926.60
  6. Step 6: Final answer
    x = 3,688.75

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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.