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Finding the Fourth Proportional to 25,659.06, 38,492.62 and 10,868.06

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Solution

The fourth proportional to 25,659.06, 38,492.62 and 10,868.06 is: 16,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.06 : 38,492.62 = 10,868.06 : x
  2. Step 2: Convert to fraction form
    25,659.06/38,492.62 = 10,868.06/x
  3. Step 3: Cross multiply
    25,659.06x = 38,492.62 × 10,868.06
  4. Step 4: Simplify right side
    25,659.06x = 418,340,103.72
  5. Step 5: Solve for x
    x = 418,340,103.72/25,659.06
  6. Step 6: Final answer
    x = 16,303.80

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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.