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Finding the Fourth Proportional to 7,049.73, 10,574.73 and 2,119.53

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Solution

The fourth proportional to 7,049.73, 10,574.73 and 2,119.53 is: 3,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.73 : 10,574.73 = 2,119.53 : x
  2. Step 2: Convert to fraction form
    7,049.73/10,574.73 = 2,119.53/x
  3. Step 3: Cross multiply
    7,049.73x = 10,574.73 × 2,119.53
  4. Step 4: Simplify right side
    7,049.73x = 22,413,457.48
  5. Step 5: Solve for x
    x = 22,413,457.48/7,049.73
  6. Step 6: Final answer
    x = 3,179.34

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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.