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Finding the Fourth Proportional to 7,180.62, 10,762.95 and 3,019.41

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Solution

The fourth proportional to 7,180.62, 10,762.95 and 3,019.41 is: 4,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.62 : 10,762.95 = 3,019.41 : x
  2. Step 2: Convert to fraction form
    7,180.62/10,762.95 = 3,019.41/x
  3. Step 3: Cross multiply
    7,180.62x = 10,762.95 × 3,019.41
  4. Step 4: Simplify right side
    7,180.62x = 32,497,758.86
  5. Step 5: Solve for x
    x = 32,497,758.86/7,180.62
  6. Step 6: Final answer
    x = 4,525.76

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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.