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Finding the Fourth Proportional to 20,368.08, 30,552.60 and 6,517.08

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Solution

The fourth proportional to 20,368.08, 30,552.60 and 6,517.08 is: 9,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.08 : 30,552.60 = 6,517.08 : x
  2. Step 2: Convert to fraction form
    20,368.08/30,552.60 = 6,517.08/x
  3. Step 3: Cross multiply
    20,368.08x = 30,552.60 × 6,517.08
  4. Step 4: Simplify right side
    20,368.08x = 199,113,738.41
  5. Step 5: Solve for x
    x = 199,113,738.41/20,368.08
  6. Step 6: Final answer
    x = 9,775.77

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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.