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Finding the Fourth Proportional to 5,456.32, 7,529.62 and 5,010

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Solution

The fourth proportional to 5,456.32, 7,529.62 and 5,010 is: 6,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.32 : 7,529.62 = 5,010 : x
  2. Step 2: Convert to fraction form
    5,456.32/7,529.62 = 5,010/x
  3. Step 3: Cross multiply
    5,456.32x = 7,529.62 × 5,010
  4. Step 4: Simplify right side
    5,456.32x = 37,723,396.20
  5. Step 5: Solve for x
    x = 37,723,396.20/5,456.32
  6. Step 6: Final answer
    x = 6,913.71

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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.