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Finding the Fourth Proportional to 40,825, 61,252.08 and 20,063.08

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Solution

The fourth proportional to 40,825, 61,252.08 and 20,063.08 is: 30,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825 : 61,252.08 = 20,063.08 : x
  2. Step 2: Convert to fraction form
    40,825/61,252.08 = 20,063.08/x
  3. Step 3: Cross multiply
    40,825x = 61,252.08 × 20,063.08
  4. Step 4: Simplify right side
    40,825x = 1,228,905,381.21
  5. Step 5: Solve for x
    x = 1,228,905,381.21/40,825
  6. Step 6: Final answer
    x = 30,101.79

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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.