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Finding the Fourth Proportional to 25,835.92, 38,752.86 and 7,367.92

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Solution

The fourth proportional to 25,835.92, 38,752.86 and 7,367.92 is: 11,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.92 : 38,752.86 = 7,367.92 : x
  2. Step 2: Convert to fraction form
    25,835.92/38,752.86 = 7,367.92/x
  3. Step 3: Cross multiply
    25,835.92x = 38,752.86 × 7,367.92
  4. Step 4: Simplify right side
    25,835.92x = 285,527,972.25
  5. Step 5: Solve for x
    x = 285,527,972.25/25,835.92
  6. Step 6: Final answer
    x = 11,051.59

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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.