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Finding the Fourth Proportional to 52,059.78, 78,079.84 and 25,378.99

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Solution

The fourth proportional to 52,059.78, 78,079.84 and 25,378.99 is: 38,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,059.78 : 78,079.84 = 25,378.99 : x
  2. Step 2: Convert to fraction form
    52,059.78/78,079.84 = 25,378.99/x
  3. Step 3: Cross multiply
    52,059.78x = 78,079.84 × 25,378.99
  4. Step 4: Simplify right side
    52,059.78x = 1,981,587,219.91
  5. Step 5: Solve for x
    x = 1,981,587,219.91/52,059.78
  6. Step 6: Final answer
    x = 38,063.69

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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.