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Finding the Fourth Proportional to 1,711.77, 2,362.22 and 925.81

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Solution

The fourth proportional to 1,711.77, 2,362.22 and 925.81 is: 1,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.77 : 2,362.22 = 925.81 : x
  2. Step 2: Convert to fraction form
    1,711.77/2,362.22 = 925.81/x
  3. Step 3: Cross multiply
    1,711.77x = 2,362.22 × 925.81
  4. Step 4: Simplify right side
    1,711.77x = 2,186,975.73
  5. Step 5: Solve for x
    x = 2,186,975.73/1,711.77
  6. Step 6: Final answer
    x = 1,277.61

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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.