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Finding the Fourth Proportional to 6,361.56, 8,785.62 and 4,377.24

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Solution

The fourth proportional to 6,361.56, 8,785.62 and 4,377.24 is: 6,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.56 : 8,785.62 = 4,377.24 : x
  2. Step 2: Convert to fraction form
    6,361.56/8,785.62 = 4,377.24/x
  3. Step 3: Cross multiply
    6,361.56x = 8,785.62 × 4,377.24
  4. Step 4: Simplify right side
    6,361.56x = 38,456,767.29
  5. Step 5: Solve for x
    x = 38,456,767.29/6,361.56
  6. Step 6: Final answer
    x = 6,045.18

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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.