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Finding the Fourth Proportional to 7,374.84, 11,064.08 and 2,993.55

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Solution

The fourth proportional to 7,374.84, 11,064.08 and 2,993.55 is: 4,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.84 : 11,064.08 = 2,993.55 : x
  2. Step 2: Convert to fraction form
    7,374.84/11,064.08 = 2,993.55/x
  3. Step 3: Cross multiply
    7,374.84x = 11,064.08 × 2,993.55
  4. Step 4: Simplify right side
    7,374.84x = 33,120,876.68
  5. Step 5: Solve for x
    x = 33,120,876.68/7,374.84
  6. Step 6: Final answer
    x = 4,491.06

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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.