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Finding the Fourth Proportional to 47,674.70, 71,448.36 and 25,139.42

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Solution

The fourth proportional to 47,674.70, 71,448.36 and 25,139.42 is: 37,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,674.70 : 71,448.36 = 25,139.42 : x
  2. Step 2: Convert to fraction form
    47,674.70/71,448.36 = 25,139.42/x
  3. Step 3: Cross multiply
    47,674.70x = 71,448.36 × 25,139.42
  4. Step 4: Simplify right side
    47,674.70x = 1,796,170,330.35
  5. Step 5: Solve for x
    x = 1,796,170,330.35/47,674.70
  6. Step 6: Final answer
    x = 37,675.55

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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.