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Finding the Fourth Proportional to 5,325.65, 7,350.29 and 4,064.31

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Solution

The fourth proportional to 5,325.65, 7,350.29 and 4,064.31 is: 5,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.65 : 7,350.29 = 4,064.31 : x
  2. Step 2: Convert to fraction form
    5,325.65/7,350.29 = 4,064.31/x
  3. Step 3: Cross multiply
    5,325.65x = 7,350.29 × 4,064.31
  4. Step 4: Simplify right side
    5,325.65x = 29,873,836.83
  5. Step 5: Solve for x
    x = 29,873,836.83/5,325.65
  6. Step 6: Final answer
    x = 5,609.43

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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.