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Finding the Fourth Proportional to 52,879.50, 79,322.49 and 15,943.50

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Solution

The fourth proportional to 52,879.50, 79,322.49 and 15,943.50 is: 23,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.50 : 79,322.49 = 15,943.50 : x
  2. Step 2: Convert to fraction form
    52,879.50/79,322.49 = 15,943.50/x
  3. Step 3: Cross multiply
    52,879.50x = 79,322.49 × 15,943.50
  4. Step 4: Simplify right side
    52,879.50x = 1,264,678,119.32
  5. Step 5: Solve for x
    x = 1,264,678,119.32/52,879.50
  6. Step 6: Final answer
    x = 23,916.23

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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.