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Finding the Fourth Proportional to 25,935.72, 38,902.29 and 9,295.48

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Solution

The fourth proportional to 25,935.72, 38,902.29 and 9,295.48 is: 13,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,935.72 : 38,902.29 = 9,295.48 : x
  2. Step 2: Convert to fraction form
    25,935.72/38,902.29 = 9,295.48/x
  3. Step 3: Cross multiply
    25,935.72x = 38,902.29 × 9,295.48
  4. Step 4: Simplify right side
    25,935.72x = 361,615,458.65
  5. Step 5: Solve for x
    x = 361,615,458.65/25,935.72
  6. Step 6: Final answer
    x = 13,942.76

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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.