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Finding the Fourth Proportional to 25,879.05, 38,809.03 and 9,234.63

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Solution

The fourth proportional to 25,879.05, 38,809.03 and 9,234.63 is: 13,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.05 : 38,809.03 = 9,234.63 : x
  2. Step 2: Convert to fraction form
    25,879.05/38,809.03 = 9,234.63/x
  3. Step 3: Cross multiply
    25,879.05x = 38,809.03 × 9,234.63
  4. Step 4: Simplify right side
    25,879.05x = 358,387,032.71
  5. Step 5: Solve for x
    x = 358,387,032.71/25,879.05
  6. Step 6: Final answer
    x = 13,848.54

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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.