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Finding the Fourth Proportional to 1,883.36, 2,824.92 and 584.78

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Solution

The fourth proportional to 1,883.36, 2,824.92 and 584.78 is: 877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.36 : 2,824.92 = 584.78 : x
  2. Step 2: Convert to fraction form
    1,883.36/2,824.92 = 584.78/x
  3. Step 3: Cross multiply
    1,883.36x = 2,824.92 × 584.78
  4. Step 4: Simplify right side
    1,883.36x = 1,651,956.72
  5. Step 5: Solve for x
    x = 1,651,956.72/1,883.36
  6. Step 6: Final answer
    x = 877.13

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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.