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Finding the Fourth Proportional to 6,551.43, 9,041.77 and 3,719.69

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Solution

The fourth proportional to 6,551.43, 9,041.77 and 3,719.69 is: 5,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.43 : 9,041.77 = 3,719.69 : x
  2. Step 2: Convert to fraction form
    6,551.43/9,041.77 = 3,719.69/x
  3. Step 3: Cross multiply
    6,551.43x = 9,041.77 × 3,719.69
  4. Step 4: Simplify right side
    6,551.43x = 33,632,552.19
  5. Step 5: Solve for x
    x = 33,632,552.19/6,551.43
  6. Step 6: Final answer
    x = 5,133.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.