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Finding the Fourth Proportional to 2,952.54, 4,428.81 and 1,491.39

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Solution

The fourth proportional to 2,952.54, 4,428.81 and 1,491.39 is: 2,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.54 : 4,428.81 = 1,491.39 : x
  2. Step 2: Convert to fraction form
    2,952.54/4,428.81 = 1,491.39/x
  3. Step 3: Cross multiply
    2,952.54x = 4,428.81 × 1,491.39
  4. Step 4: Simplify right side
    2,952.54x = 6,605,082.95
  5. Step 5: Solve for x
    x = 6,605,082.95/2,952.54
  6. Step 6: Final answer
    x = 2,237.09

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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.