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Finding the Fourth Proportional to 1,092.88, 1,508.13 and 595.51

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Solution

The fourth proportional to 1,092.88, 1,508.13 and 595.51 is: 821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.88 : 1,508.13 = 595.51 : x
  2. Step 2: Convert to fraction form
    1,092.88/1,508.13 = 595.51/x
  3. Step 3: Cross multiply
    1,092.88x = 1,508.13 × 595.51
  4. Step 4: Simplify right side
    1,092.88x = 898,106.50
  5. Step 5: Solve for x
    x = 898,106.50/1,092.88
  6. Step 6: Final answer
    x = 821.78

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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.