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Finding the Fourth Proportional to 1,567.22, 2,349.21 and 744.26

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Solution

The fourth proportional to 1,567.22, 2,349.21 and 744.26 is: 1,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.22 : 2,349.21 = 744.26 : x
  2. Step 2: Convert to fraction form
    1,567.22/2,349.21 = 744.26/x
  3. Step 3: Cross multiply
    1,567.22x = 2,349.21 × 744.26
  4. Step 4: Simplify right side
    1,567.22x = 1,748,423.03
  5. Step 5: Solve for x
    x = 1,748,423.03/1,567.22
  6. Step 6: Final answer
    x = 1,115.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.