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Finding the Fourth Proportional to 25,803.60, 38,696.11 and 8,932.02

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Solution

The fourth proportional to 25,803.60, 38,696.11 and 8,932.02 is: 13,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.60 : 38,696.11 = 8,932.02 : x
  2. Step 2: Convert to fraction form
    25,803.60/38,696.11 = 8,932.02/x
  3. Step 3: Cross multiply
    25,803.60x = 38,696.11 × 8,932.02
  4. Step 4: Simplify right side
    25,803.60x = 345,634,478.67
  5. Step 5: Solve for x
    x = 345,634,478.67/25,803.60
  6. Step 6: Final answer
    x = 13,394.82

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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.