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Finding the Fourth Proportional to 4,882.64, 6,737.99 and 2,644.47

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Solution

The fourth proportional to 4,882.64, 6,737.99 and 2,644.47 is: 3,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.64 : 6,737.99 = 2,644.47 : x
  2. Step 2: Convert to fraction form
    4,882.64/6,737.99 = 2,644.47/x
  3. Step 3: Cross multiply
    4,882.64x = 6,737.99 × 2,644.47
  4. Step 4: Simplify right side
    4,882.64x = 17,818,399.19
  5. Step 5: Solve for x
    x = 17,818,399.19/4,882.64
  6. Step 6: Final answer
    x = 3,649.34

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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.