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Finding the Fourth Proportional to 7,398.75, 11,099.69 and 2,468.78

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Solution

The fourth proportional to 7,398.75, 11,099.69 and 2,468.78 is: 3,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,398.75 : 11,099.69 = 2,468.78 : x
  2. Step 2: Convert to fraction form
    7,398.75/11,099.69 = 2,468.78/x
  3. Step 3: Cross multiply
    7,398.75x = 11,099.69 × 2,468.78
  4. Step 4: Simplify right side
    7,398.75x = 27,402,624.84
  5. Step 5: Solve for x
    x = 27,402,624.84/7,398.75
  6. Step 6: Final answer
    x = 3,703.68

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1.5x scale

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.