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Finding the Fourth Proportional to 2,968.92, 4,453.29 and 1,237.50

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Solution

The fourth proportional to 2,968.92, 4,453.29 and 1,237.50 is: 1,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.92 : 4,453.29 = 1,237.50 : x
  2. Step 2: Convert to fraction form
    2,968.92/4,453.29 = 1,237.50/x
  3. Step 3: Cross multiply
    2,968.92x = 4,453.29 × 1,237.50
  4. Step 4: Simplify right side
    2,968.92x = 5,510,946.38
  5. Step 5: Solve for x
    x = 5,510,946.38/2,968.92
  6. Step 6: Final answer
    x = 1,856.21

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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.