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Finding the Fourth Proportional to 35,294.58, 48,709.98 and 20,189.52

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Solution

The fourth proportional to 35,294.58, 48,709.98 and 20,189.52 is: 27,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,294.58 : 48,709.98 = 20,189.52 : x
  2. Step 2: Convert to fraction form
    35,294.58/48,709.98 = 20,189.52/x
  3. Step 3: Cross multiply
    35,294.58x = 48,709.98 × 20,189.52
  4. Step 4: Simplify right side
    35,294.58x = 983,431,115.41
  5. Step 5: Solve for x
    x = 983,431,115.41/35,294.58
  6. Step 6: Final answer
    x = 27,863.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.