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Finding the Fourth Proportional to 1,095.57, 1,511.85 and 598.23

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Solution

The fourth proportional to 1,095.57, 1,511.85 and 598.23 is: 825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.57 : 1,511.85 = 598.23 : x
  2. Step 2: Convert to fraction form
    1,095.57/1,511.85 = 598.23/x
  3. Step 3: Cross multiply
    1,095.57x = 1,511.85 × 598.23
  4. Step 4: Simplify right side
    1,095.57x = 904,434.03
  5. Step 5: Solve for x
    x = 904,434.03/1,095.57
  6. Step 6: Final answer
    x = 825.54

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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.