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Finding the Fourth Proportional to 5,116, 7,673.08 and 1,367.84

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Solution

The fourth proportional to 5,116, 7,673.08 and 1,367.84 is: 2,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116 : 7,673.08 = 1,367.84 : x
  2. Step 2: Convert to fraction form
    5,116/7,673.08 = 1,367.84/x
  3. Step 3: Cross multiply
    5,116x = 7,673.08 × 1,367.84
  4. Step 4: Simplify right side
    5,116x = 10,495,545.75
  5. Step 5: Solve for x
    x = 10,495,545.75/5,116
  6. Step 6: Final answer
    x = 2,051.51

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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.