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Finding the Fourth Proportional to 3,711.63, 5,567.67 and 1,114.50

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Solution

The fourth proportional to 3,711.63, 5,567.67 and 1,114.50 is: 1,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.63 : 5,567.67 = 1,114.50 : x
  2. Step 2: Convert to fraction form
    3,711.63/5,567.67 = 1,114.50/x
  3. Step 3: Cross multiply
    3,711.63x = 5,567.67 × 1,114.50
  4. Step 4: Simplify right side
    3,711.63x = 6,205,168.22
  5. Step 5: Solve for x
    x = 6,205,168.22/3,711.63
  6. Step 6: Final answer
    x = 1,671.82

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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.