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Finding the Fourth Proportional to 1,862.58, 2,794.30 and 563.96

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Solution

The fourth proportional to 1,862.58, 2,794.30 and 563.96 is: 846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.58 : 2,794.30 = 563.96 : x
  2. Step 2: Convert to fraction form
    1,862.58/2,794.30 = 563.96/x
  3. Step 3: Cross multiply
    1,862.58x = 2,794.30 × 563.96
  4. Step 4: Simplify right side
    1,862.58x = 1,575,873.43
  5. Step 5: Solve for x
    x = 1,575,873.43/1,862.58
  6. Step 6: Final answer
    x = 846.07

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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.