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Finding the Fourth Proportional to 3,966.06, 5,949 and 1,368.75

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Solution

The fourth proportional to 3,966.06, 5,949 and 1,368.75 is: 2,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.06 : 5,949 = 1,368.75 : x
  2. Step 2: Convert to fraction form
    3,966.06/5,949 = 1,368.75/x
  3. Step 3: Cross multiply
    3,966.06x = 5,949 × 1,368.75
  4. Step 4: Simplify right side
    3,966.06x = 8,142,693.75
  5. Step 5: Solve for x
    x = 8,142,693.75/3,966.06
  6. Step 6: Final answer
    x = 2,053.09

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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.