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Finding the Fourth Proportional to 20,592.25, 30,888.07 and 6,553.15

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Solution

The fourth proportional to 20,592.25, 30,888.07 and 6,553.15 is: 9,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.25 : 30,888.07 = 6,553.15 : x
  2. Step 2: Convert to fraction form
    20,592.25/30,888.07 = 6,553.15/x
  3. Step 3: Cross multiply
    20,592.25x = 30,888.07 × 6,553.15
  4. Step 4: Simplify right side
    20,592.25x = 202,414,155.92
  5. Step 5: Solve for x
    x = 202,414,155.92/20,592.25
  6. Step 6: Final answer
    x = 9,829.63

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1.5x scale

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.