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Finding the Fourth Proportional to 20,264.15, 30,397.98 and 5,473.01

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Solution

The fourth proportional to 20,264.15, 30,397.98 and 5,473.01 is: 8,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.15 : 30,397.98 = 5,473.01 : x
  2. Step 2: Convert to fraction form
    20,264.15/30,397.98 = 5,473.01/x
  3. Step 3: Cross multiply
    20,264.15x = 30,397.98 × 5,473.01
  4. Step 4: Simplify right side
    20,264.15x = 166,368,448.52
  5. Step 5: Solve for x
    x = 166,368,448.52/20,264.15
  6. Step 6: Final answer
    x = 8,209.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.