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Finding the Fourth Proportional to 1,567.89, 2,350.10 and 744.93

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Solution

The fourth proportional to 1,567.89, 2,350.10 and 744.93 is: 1,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.89 : 2,350.10 = 744.93 : x
  2. Step 2: Convert to fraction form
    1,567.89/2,350.10 = 744.93/x
  3. Step 3: Cross multiply
    1,567.89x = 2,350.10 × 744.93
  4. Step 4: Simplify right side
    1,567.89x = 1,750,656.27
  5. Step 5: Solve for x
    x = 1,750,656.27/1,567.89
  6. Step 6: Final answer
    x = 1,116.57

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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.