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Finding the Fourth Proportional to 20,364.01, 30,562.52 and 10,506.11

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Solution

The fourth proportional to 20,364.01, 30,562.52 and 10,506.11 is: 15,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.01 : 30,562.52 = 10,506.11 : x
  2. Step 2: Convert to fraction form
    20,364.01/30,562.52 = 10,506.11/x
  3. Step 3: Cross multiply
    20,364.01x = 30,562.52 × 10,506.11
  4. Step 4: Simplify right side
    20,364.01x = 321,092,991.65
  5. Step 5: Solve for x
    x = 321,092,991.65/20,364.01
  6. Step 6: Final answer
    x = 15,767.67

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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.