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Finding the Fourth Proportional to 11,372.70, 17,014.50 and 7,484.70

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Solution

The fourth proportional to 11,372.70, 17,014.50 and 7,484.70 is: 11,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.70 : 17,014.50 = 7,484.70 : x
  2. Step 2: Convert to fraction form
    11,372.70/17,014.50 = 7,484.70/x
  3. Step 3: Cross multiply
    11,372.70x = 17,014.50 × 7,484.70
  4. Step 4: Simplify right side
    11,372.70x = 127,348,428.15
  5. Step 5: Solve for x
    x = 127,348,428.15/11,372.70
  6. Step 6: Final answer
    x = 11,197.73

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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.