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Finding the Fourth Proportional to 1,862.04, 2,793.88 and 563.62

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Solution

The fourth proportional to 1,862.04, 2,793.88 and 563.62 is: 845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.04 : 2,793.88 = 563.62 : x
  2. Step 2: Convert to fraction form
    1,862.04/2,793.88 = 563.62/x
  3. Step 3: Cross multiply
    1,862.04x = 2,793.88 × 563.62
  4. Step 4: Simplify right side
    1,862.04x = 1,574,686.65
  5. Step 5: Solve for x
    x = 1,574,686.65/1,862.04
  6. Step 6: Final answer
    x = 845.68

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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.