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Finding the Fourth Proportional to 7,952.52, 11,920.16 and 3,019.98

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Solution

The fourth proportional to 7,952.52, 11,920.16 and 3,019.98 is: 4,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.52 : 11,920.16 = 3,019.98 : x
  2. Step 2: Convert to fraction form
    7,952.52/11,920.16 = 3,019.98/x
  3. Step 3: Cross multiply
    7,952.52x = 11,920.16 × 3,019.98
  4. Step 4: Simplify right side
    7,952.52x = 35,998,644.80
  5. Step 5: Solve for x
    x = 35,998,644.80/7,952.52
  6. Step 6: Final answer
    x = 4,526.70

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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.