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Finding the Fourth Proportional to 25,819.69, 38,725.48 and 7,101.13

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Solution

The fourth proportional to 25,819.69, 38,725.48 and 7,101.13 is: 10,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.69 : 38,725.48 = 7,101.13 : x
  2. Step 2: Convert to fraction form
    25,819.69/38,725.48 = 7,101.13/x
  3. Step 3: Cross multiply
    25,819.69x = 38,725.48 × 7,101.13
  4. Step 4: Simplify right side
    25,819.69x = 274,994,667.79
  5. Step 5: Solve for x
    x = 274,994,667.79/25,819.69
  6. Step 6: Final answer
    x = 10,650.58

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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.