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Finding the Fourth Proportional to 6,061.96, 9,091 and 1,957

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Solution

The fourth proportional to 6,061.96, 9,091 and 1,957 is: 2,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,061.96 : 9,091 = 1,957 : x
  2. Step 2: Convert to fraction form
    6,061.96/9,091 = 1,957/x
  3. Step 3: Cross multiply
    6,061.96x = 9,091 × 1,957
  4. Step 4: Simplify right side
    6,061.96x = 17,791,087
  5. Step 5: Solve for x
    x = 17,791,087/6,061.96
  6. Step 6: Final answer
    x = 2,934.87

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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.