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Finding the Fourth Proportional to 29,697.31, 44,545.59 and 7,208.18

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Solution

The fourth proportional to 29,697.31, 44,545.59 and 7,208.18 is: 10,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,697.31 : 44,545.59 = 7,208.18 : x
  2. Step 2: Convert to fraction form
    29,697.31/44,545.59 = 7,208.18/x
  3. Step 3: Cross multiply
    29,697.31x = 44,545.59 × 7,208.18
  4. Step 4: Simplify right side
    29,697.31x = 321,092,468.93
  5. Step 5: Solve for x
    x = 321,092,468.93/29,697.31
  6. Step 6: Final answer
    x = 10,812.17

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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.