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Finding the Fourth Proportional to 1,045.73, 1,443.24 and 652.82

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Solution

The fourth proportional to 1,045.73, 1,443.24 and 652.82 is: 900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.73 : 1,443.24 = 652.82 : x
  2. Step 2: Convert to fraction form
    1,045.73/1,443.24 = 652.82/x
  3. Step 3: Cross multiply
    1,045.73x = 1,443.24 × 652.82
  4. Step 4: Simplify right side
    1,045.73x = 942,175.94
  5. Step 5: Solve for x
    x = 942,175.94/1,045.73
  6. Step 6: Final answer
    x = 900.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.