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Finding the Fourth Proportional to 25,989.77, 38,992.25 and 9,349.47

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Solution

The fourth proportional to 25,989.77, 38,992.25 and 9,349.47 is: 14,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.77 : 38,992.25 = 9,349.47 : x
  2. Step 2: Convert to fraction form
    25,989.77/38,992.25 = 9,349.47/x
  3. Step 3: Cross multiply
    25,989.77x = 38,992.25 × 9,349.47
  4. Step 4: Simplify right side
    25,989.77x = 364,556,894.98
  5. Step 5: Solve for x
    x = 364,556,894.98/25,989.77
  6. Step 6: Final answer
    x = 14,026.94

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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.