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Finding the Fourth Proportional to 4,123, 6,184.86 and 1,045

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Solution

The fourth proportional to 4,123, 6,184.86 and 1,045 is: 1,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123 : 6,184.86 = 1,045 : x
  2. Step 2: Convert to fraction form
    4,123/6,184.86 = 1,045/x
  3. Step 3: Cross multiply
    4,123x = 6,184.86 × 1,045
  4. Step 4: Simplify right side
    4,123x = 6,463,178.70
  5. Step 5: Solve for x
    x = 6,463,178.70/4,123
  6. Step 6: Final answer
    x = 1,567.59

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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.