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Finding the Fourth Proportional to 25,994.88, 38,988.02 and 9,351.81

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Solution

The fourth proportional to 25,994.88, 38,988.02 and 9,351.81 is: 14,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,994.88 : 38,988.02 = 9,351.81 : x
  2. Step 2: Convert to fraction form
    25,994.88/38,988.02 = 9,351.81/x
  3. Step 3: Cross multiply
    25,994.88x = 38,988.02 × 9,351.81
  4. Step 4: Simplify right side
    25,994.88x = 364,608,508.56
  5. Step 5: Solve for x
    x = 364,608,508.56/25,994.88
  6. Step 6: Final answer
    x = 14,026.17

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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.