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Finding the Fourth Proportional to 1,115.82, 1,673.24 and 595.74

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Solution

The fourth proportional to 1,115.82, 1,673.24 and 595.74 is: 893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115.82 : 1,673.24 = 595.74 : x
  2. Step 2: Convert to fraction form
    1,115.82/1,673.24 = 595.74/x
  3. Step 3: Cross multiply
    1,115.82x = 1,673.24 × 595.74
  4. Step 4: Simplify right side
    1,115.82x = 996,816.00
  5. Step 5: Solve for x
    x = 996,816.00/1,115.82
  6. Step 6: Final answer
    x = 893.35

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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.