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Finding the Fourth Proportional to 6,762.60, 10,143.78 and 3,473.76

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Solution

The fourth proportional to 6,762.60, 10,143.78 and 3,473.76 is: 5,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.60 : 10,143.78 = 3,473.76 : x
  2. Step 2: Convert to fraction form
    6,762.60/10,143.78 = 3,473.76/x
  3. Step 3: Cross multiply
    6,762.60x = 10,143.78 × 3,473.76
  4. Step 4: Simplify right side
    6,762.60x = 35,237,057.21
  5. Step 5: Solve for x
    x = 35,237,057.21/6,762.60
  6. Step 6: Final answer
    x = 5,210.58

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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.