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Finding the Fourth Proportional to 1,141.96, 1,711.86 and 564.52

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Solution

The fourth proportional to 1,141.96, 1,711.86 and 564.52 is: 846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.96 : 1,711.86 = 564.52 : x
  2. Step 2: Convert to fraction form
    1,141.96/1,711.86 = 564.52/x
  3. Step 3: Cross multiply
    1,141.96x = 1,711.86 × 564.52
  4. Step 4: Simplify right side
    1,141.96x = 966,379.21
  5. Step 5: Solve for x
    x = 966,379.21/1,141.96
  6. Step 6: Final answer
    x = 846.25

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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.