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Finding the Fourth Proportional to 5,664.42, 8,480.88 and 4,273.56

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Solution

The fourth proportional to 5,664.42, 8,480.88 and 4,273.56 is: 6,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.42 : 8,480.88 = 4,273.56 : x
  2. Step 2: Convert to fraction form
    5,664.42/8,480.88 = 4,273.56/x
  3. Step 3: Cross multiply
    5,664.42x = 8,480.88 × 4,273.56
  4. Step 4: Simplify right side
    5,664.42x = 36,243,549.53
  5. Step 5: Solve for x
    x = 36,243,549.53/5,664.42
  6. Step 6: Final answer
    x = 6,398.46

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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.