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Finding the Fourth Proportional to 1,554.96, 2,331.96 and 567.66

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Solution

The fourth proportional to 1,554.96, 2,331.96 and 567.66 is: 851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.96 : 2,331.96 = 567.66 : x
  2. Step 2: Convert to fraction form
    1,554.96/2,331.96 = 567.66/x
  3. Step 3: Cross multiply
    1,554.96x = 2,331.96 × 567.66
  4. Step 4: Simplify right side
    1,554.96x = 1,323,760.41
  5. Step 5: Solve for x
    x = 1,323,760.41/1,554.96
  6. Step 6: Final answer
    x = 851.31

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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.