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Finding the Fourth Proportional to 2,053.02, 3,078 and 956.73

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Solution

The fourth proportional to 2,053.02, 3,078 and 956.73 is: 1,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.02 : 3,078 = 956.73 : x
  2. Step 2: Convert to fraction form
    2,053.02/3,078 = 956.73/x
  3. Step 3: Cross multiply
    2,053.02x = 3,078 × 956.73
  4. Step 4: Simplify right side
    2,053.02x = 2,944,814.94
  5. Step 5: Solve for x
    x = 2,944,814.94/2,053.02
  6. Step 6: Final answer
    x = 1,434.38

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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.