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Finding the Fourth Proportional to 52,797.70, 79,209.97 and 15,357.77

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Solution

The fourth proportional to 52,797.70, 79,209.97 and 15,357.77 is: 23,040.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,797.70 : 79,209.97 = 15,357.77 : x
  2. Step 2: Convert to fraction form
    52,797.70/79,209.97 = 15,357.77/x
  3. Step 3: Cross multiply
    52,797.70x = 79,209.97 × 15,357.77
  4. Step 4: Simplify right side
    52,797.70x = 1,216,488,424.18
  5. Step 5: Solve for x
    x = 1,216,488,424.18/52,797.70
  6. Step 6: Final answer
    x = 23,040.56

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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.