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Finding the Fourth Proportional to 5,473.66, 7,553.83 and 2,989.66

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Solution

The fourth proportional to 5,473.66, 7,553.83 and 2,989.66 is: 4,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.66 : 7,553.83 = 2,989.66 : x
  2. Step 2: Convert to fraction form
    5,473.66/7,553.83 = 2,989.66/x
  3. Step 3: Cross multiply
    5,473.66x = 7,553.83 × 2,989.66
  4. Step 4: Simplify right side
    5,473.66x = 22,583,349.56
  5. Step 5: Solve for x
    x = 22,583,349.56/5,473.66
  6. Step 6: Final answer
    x = 4,125.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.