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Finding the Fourth Proportional to 1,736.52, 2,603.93 and 581.46

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Solution

The fourth proportional to 1,736.52, 2,603.93 and 581.46 is: 871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.52 : 2,603.93 = 581.46 : x
  2. Step 2: Convert to fraction form
    1,736.52/2,603.93 = 581.46/x
  3. Step 3: Cross multiply
    1,736.52x = 2,603.93 × 581.46
  4. Step 4: Simplify right side
    1,736.52x = 1,514,078.23
  5. Step 5: Solve for x
    x = 1,514,078.23/1,736.52
  6. Step 6: Final answer
    x = 871.90

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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.