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Finding the Fourth Proportional to 52,856.70, 79,282.97 and 17,320.69

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Solution

The fourth proportional to 52,856.70, 79,282.97 and 17,320.69 is: 25,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,856.70 : 79,282.97 = 17,320.69 : x
  2. Step 2: Convert to fraction form
    52,856.70/79,282.97 = 17,320.69/x
  3. Step 3: Cross multiply
    52,856.70x = 79,282.97 × 17,320.69
  4. Step 4: Simplify right side
    52,856.70x = 1,373,235,745.65
  5. Step 5: Solve for x
    x = 1,373,235,745.65/52,856.70
  6. Step 6: Final answer
    x = 25,980.35

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1.5x scale

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.