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Finding the Fourth Proportional to 25,367.96, 38,053.76 and 7,835.51

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Solution

The fourth proportional to 25,367.96, 38,053.76 and 7,835.51 is: 11,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.96 : 38,053.76 = 7,835.51 : x
  2. Step 2: Convert to fraction form
    25,367.96/38,053.76 = 7,835.51/x
  3. Step 3: Cross multiply
    25,367.96x = 38,053.76 × 7,835.51
  4. Step 4: Simplify right side
    25,367.96x = 298,170,387.57
  5. Step 5: Solve for x
    x = 298,170,387.57/25,367.96
  6. Step 6: Final answer
    x = 11,753.82

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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.