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Finding the Fourth Proportional to 2,993.84, 4,491.76 and 1,532.60

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Solution

The fourth proportional to 2,993.84, 4,491.76 and 1,532.60 is: 2,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.84 : 4,491.76 = 1,532.60 : x
  2. Step 2: Convert to fraction form
    2,993.84/4,491.76 = 1,532.60/x
  3. Step 3: Cross multiply
    2,993.84x = 4,491.76 × 1,532.60
  4. Step 4: Simplify right side
    2,993.84x = 6,884,071.38
  5. Step 5: Solve for x
    x = 6,884,071.38/2,993.84
  6. Step 6: Final answer
    x = 2,299.41

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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.