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Finding the Fourth Proportional to 10,350.67, 15,525.72 and 3,330.67

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Solution

The fourth proportional to 10,350.67, 15,525.72 and 3,330.67 is: 4,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.67 : 15,525.72 = 3,330.67 : x
  2. Step 2: Convert to fraction form
    10,350.67/15,525.72 = 3,330.67/x
  3. Step 3: Cross multiply
    10,350.67x = 15,525.72 × 3,330.67
  4. Step 4: Simplify right side
    10,350.67x = 51,711,049.83
  5. Step 5: Solve for x
    x = 51,711,049.83/10,350.67
  6. Step 6: Final answer
    x = 4,995.91

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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.