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Finding the Fourth Proportional to 5,574.76, 8,362.12 and 1,679.48

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Solution

The fourth proportional to 5,574.76, 8,362.12 and 1,679.48 is: 2,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.76 : 8,362.12 = 1,679.48 : x
  2. Step 2: Convert to fraction form
    5,574.76/8,362.12 = 1,679.48/x
  3. Step 3: Cross multiply
    5,574.76x = 8,362.12 × 1,679.48
  4. Step 4: Simplify right side
    5,574.76x = 14,044,013.30
  5. Step 5: Solve for x
    x = 14,044,013.30/5,574.76
  6. Step 6: Final answer
    x = 2,519.21

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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.