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Finding the Fourth Proportional to 1,347.53, 2,021.67 and 567.14

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Solution

The fourth proportional to 1,347.53, 2,021.67 and 567.14 is: 850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.53 : 2,021.67 = 567.14 : x
  2. Step 2: Convert to fraction form
    1,347.53/2,021.67 = 567.14/x
  3. Step 3: Cross multiply
    1,347.53x = 2,021.67 × 567.14
  4. Step 4: Simplify right side
    1,347.53x = 1,146,559.82
  5. Step 5: Solve for x
    x = 1,146,559.82/1,347.53
  6. Step 6: Final answer
    x = 850.86

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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.