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Finding the Fourth Proportional to 52,887.70, 79,329.30 and 17,827.30

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Solution

The fourth proportional to 52,887.70, 79,329.30 and 17,827.30 is: 26,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.70 : 79,329.30 = 17,827.30 : x
  2. Step 2: Convert to fraction form
    52,887.70/79,329.30 = 17,827.30/x
  3. Step 3: Cross multiply
    52,887.70x = 79,329.30 × 17,827.30
  4. Step 4: Simplify right side
    52,887.70x = 1,414,227,229.89
  5. Step 5: Solve for x
    x = 1,414,227,229.89/52,887.70
  6. Step 6: Final answer
    x = 26,740.19

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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.