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Finding the Fourth Proportional to 52,265.91, 78,399.91 and 16,734.01

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Solution

The fourth proportional to 52,265.91, 78,399.91 and 16,734.01 is: 25,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,265.91 : 78,399.91 = 16,734.01 : x
  2. Step 2: Convert to fraction form
    52,265.91/78,399.91 = 16,734.01/x
  3. Step 3: Cross multiply
    52,265.91x = 78,399.91 × 16,734.01
  4. Step 4: Simplify right side
    52,265.91x = 1,311,944,836.10
  5. Step 5: Solve for x
    x = 1,311,944,836.10/52,265.91
  6. Step 6: Final answer
    x = 25,101.35

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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.