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Finding the Fourth Proportional to 6,762.42, 10,134.45 and 3,803.22

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Solution

The fourth proportional to 6,762.42, 10,134.45 and 3,803.22 is: 5,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.42 : 10,134.45 = 3,803.22 : x
  2. Step 2: Convert to fraction form
    6,762.42/10,134.45 = 3,803.22/x
  3. Step 3: Cross multiply
    6,762.42x = 10,134.45 × 3,803.22
  4. Step 4: Simplify right side
    6,762.42x = 38,543,542.93
  5. Step 5: Solve for x
    x = 38,543,542.93/6,762.42
  6. Step 6: Final answer
    x = 5,699.67

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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.