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Finding the Fourth Proportional to 1,241.24, 1,860.08 and 892.53

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Solution

The fourth proportional to 1,241.24, 1,860.08 and 892.53 is: 1,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.24 : 1,860.08 = 892.53 : x
  2. Step 2: Convert to fraction form
    1,241.24/1,860.08 = 892.53/x
  3. Step 3: Cross multiply
    1,241.24x = 1,860.08 × 892.53
  4. Step 4: Simplify right side
    1,241.24x = 1,660,172.74
  5. Step 5: Solve for x
    x = 1,660,172.74/1,241.24
  6. Step 6: Final answer
    x = 1,337.52

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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.