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Finding the Fourth Proportional to 11,348.74, 17,023.12 and 3,028.79

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Solution

The fourth proportional to 11,348.74, 17,023.12 and 3,028.79 is: 4,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.74 : 17,023.12 = 3,028.79 : x
  2. Step 2: Convert to fraction form
    11,348.74/17,023.12 = 3,028.79/x
  3. Step 3: Cross multiply
    11,348.74x = 17,023.12 × 3,028.79
  4. Step 4: Simplify right side
    11,348.74x = 51,559,455.62
  5. Step 5: Solve for x
    x = 51,559,455.62/11,348.74
  6. Step 6: Final answer
    x = 4,543.19

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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.