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Finding the Fourth Proportional to 20,352.76, 30,529.66 and 6,501.76

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Solution

The fourth proportional to 20,352.76, 30,529.66 and 6,501.76 is: 9,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,352.76 : 30,529.66 = 6,501.76 : x
  2. Step 2: Convert to fraction form
    20,352.76/30,529.66 = 6,501.76/x
  3. Step 3: Cross multiply
    20,352.76x = 30,529.66 × 6,501.76
  4. Step 4: Simplify right side
    20,352.76x = 198,496,522.20
  5. Step 5: Solve for x
    x = 198,496,522.20/20,352.76
  6. Step 6: Final answer
    x = 9,752.81

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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.