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Finding the Fourth Proportional to 20,203.32, 30,309.74 and 6,352.32

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Solution

The fourth proportional to 20,203.32, 30,309.74 and 6,352.32 is: 9,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.32 : 30,309.74 = 6,352.32 : x
  2. Step 2: Convert to fraction form
    20,203.32/30,309.74 = 6,352.32/x
  3. Step 3: Cross multiply
    20,203.32x = 30,309.74 × 6,352.32
  4. Step 4: Simplify right side
    20,203.32x = 192,537,167.60
  5. Step 5: Solve for x
    x = 192,537,167.60/20,203.32
  6. Step 6: Final answer
    x = 9,529.98

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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.