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Finding the Fourth Proportional to 11,342.77, 17,019.02 and 3,943.19

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Solution

The fourth proportional to 11,342.77, 17,019.02 and 3,943.19 is: 5,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.77 : 17,019.02 = 3,943.19 : x
  2. Step 2: Convert to fraction form
    11,342.77/17,019.02 = 3,943.19/x
  3. Step 3: Cross multiply
    11,342.77x = 17,019.02 × 3,943.19
  4. Step 4: Simplify right side
    11,342.77x = 67,109,229.47
  5. Step 5: Solve for x
    x = 67,109,229.47/11,342.77
  6. Step 6: Final answer
    x = 5,916.48

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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.