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Finding the Fourth Proportional to 2,038.52, 3,057.02 and 651.49

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Solution

The fourth proportional to 2,038.52, 3,057.02 and 651.49 is: 976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.52 : 3,057.02 = 651.49 : x
  2. Step 2: Convert to fraction form
    2,038.52/3,057.02 = 651.49/x
  3. Step 3: Cross multiply
    2,038.52x = 3,057.02 × 651.49
  4. Step 4: Simplify right side
    2,038.52x = 1,991,605.52
  5. Step 5: Solve for x
    x = 1,991,605.52/2,038.52
  6. Step 6: Final answer
    x = 976.98

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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.