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Finding the Fourth Proportional to 1,084.62, 1,496.76 and 587.25

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Solution

The fourth proportional to 1,084.62, 1,496.76 and 587.25 is: 810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.62 : 1,496.76 = 587.25 : x
  2. Step 2: Convert to fraction form
    1,084.62/1,496.76 = 587.25/x
  3. Step 3: Cross multiply
    1,084.62x = 1,496.76 × 587.25
  4. Step 4: Simplify right side
    1,084.62x = 878,972.31
  5. Step 5: Solve for x
    x = 878,972.31/1,084.62
  6. Step 6: Final answer
    x = 810.40

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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.