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Finding the Fourth Proportional to 7,491.61, 11,236.02 and 2,494.06

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Solution

The fourth proportional to 7,491.61, 11,236.02 and 2,494.06 is: 3,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.61 : 11,236.02 = 2,494.06 : x
  2. Step 2: Convert to fraction form
    7,491.61/11,236.02 = 2,494.06/x
  3. Step 3: Cross multiply
    7,491.61x = 11,236.02 × 2,494.06
  4. Step 4: Simplify right side
    7,491.61x = 28,023,270.60
  5. Step 5: Solve for x
    x = 28,023,270.60/7,491.61
  6. Step 6: Final answer
    x = 3,740.62

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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.