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Finding the Fourth Proportional to 1,797.86, 2,695.85 and 564.94

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Solution

The fourth proportional to 1,797.86, 2,695.85 and 564.94 is: 847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.86 : 2,695.85 = 564.94 : x
  2. Step 2: Convert to fraction form
    1,797.86/2,695.85 = 564.94/x
  3. Step 3: Cross multiply
    1,797.86x = 2,695.85 × 564.94
  4. Step 4: Simplify right side
    1,797.86x = 1,522,996.16
  5. Step 5: Solve for x
    x = 1,522,996.16/1,797.86
  6. Step 6: Final answer
    x = 847.11

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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.