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Finding the Fourth Proportional to 1,862.60, 2,793.50 and 563.96

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Solution

The fourth proportional to 1,862.60, 2,793.50 and 563.96 is: 845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.60 : 2,793.50 = 563.96 : x
  2. Step 2: Convert to fraction form
    1,862.60/2,793.50 = 563.96/x
  3. Step 3: Cross multiply
    1,862.60x = 2,793.50 × 563.96
  4. Step 4: Simplify right side
    1,862.60x = 1,575,422.26
  5. Step 5: Solve for x
    x = 1,575,422.26/1,862.60
  6. Step 6: Final answer
    x = 845.82

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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.