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Finding the Fourth Proportional to 1,089.05, 1,633.37 and 567.41

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Solution

The fourth proportional to 1,089.05, 1,633.37 and 567.41 is: 851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089.05 : 1,633.37 = 567.41 : x
  2. Step 2: Convert to fraction form
    1,089.05/1,633.37 = 567.41/x
  3. Step 3: Cross multiply
    1,089.05x = 1,633.37 × 567.41
  4. Step 4: Simplify right side
    1,089.05x = 926,779.47
  5. Step 5: Solve for x
    x = 926,779.47/1,089.05
  6. Step 6: Final answer
    x = 851.00

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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.