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Finding the Fourth Proportional to 2,322.90, 3,484.29 and 567.91

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Solution

The fourth proportional to 2,322.90, 3,484.29 and 567.91 is: 851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.90 : 3,484.29 = 567.91 : x
  2. Step 2: Convert to fraction form
    2,322.90/3,484.29 = 567.91/x
  3. Step 3: Cross multiply
    2,322.90x = 3,484.29 × 567.91
  4. Step 4: Simplify right side
    2,322.90x = 1,978,763.13
  5. Step 5: Solve for x
    x = 1,978,763.13/2,322.90
  6. Step 6: Final answer
    x = 851.85

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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.