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Finding the Fourth Proportional to 52,800, 79,101.12 and 26,473.92

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Solution

The fourth proportional to 52,800, 79,101.12 and 26,473.92 is: 39,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800 : 79,101.12 = 26,473.92 : x
  2. Step 2: Convert to fraction form
    52,800/79,101.12 = 26,473.92/x
  3. Step 3: Cross multiply
    52,800x = 79,101.12 × 26,473.92
  4. Step 4: Simplify right side
    52,800x = 2,094,116,722.79
  5. Step 5: Solve for x
    x = 2,094,116,722.79/52,800
  6. Step 6: Final answer
    x = 39,661.30

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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.