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Finding the Fourth Proportional to 3,939.04, 5,883.62 and 3,064.24

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Solution

The fourth proportional to 3,939.04, 5,883.62 and 3,064.24 is: 4,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.04 : 5,883.62 = 3,064.24 : x
  2. Step 2: Convert to fraction form
    3,939.04/5,883.62 = 3,064.24/x
  3. Step 3: Cross multiply
    3,939.04x = 5,883.62 × 3,064.24
  4. Step 4: Simplify right side
    3,939.04x = 18,028,823.75
  5. Step 5: Solve for x
    x = 18,028,823.75/3,939.04
  6. Step 6: Final answer
    x = 4,576.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.