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Finding the Fourth Proportional to 5,721.02, 7,892.22 and 3,599.18

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Solution

The fourth proportional to 5,721.02, 7,892.22 and 3,599.18 is: 4,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.02 : 7,892.22 = 3,599.18 : x
  2. Step 2: Convert to fraction form
    5,721.02/7,892.22 = 3,599.18/x
  3. Step 3: Cross multiply
    5,721.02x = 7,892.22 × 3,599.18
  4. Step 4: Simplify right side
    5,721.02x = 28,405,520.38
  5. Step 5: Solve for x
    x = 28,405,520.38/5,721.02
  6. Step 6: Final answer
    x = 4,965.11

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1.5x scale

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.