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Finding the Fourth Proportional to 56,469.52, 84,715.62 and 19,028.08

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Solution

The fourth proportional to 56,469.52, 84,715.62 and 19,028.08 is: 28,545.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,469.52 : 84,715.62 = 19,028.08 : x
  2. Step 2: Convert to fraction form
    56,469.52/84,715.62 = 19,028.08/x
  3. Step 3: Cross multiply
    56,469.52x = 84,715.62 × 19,028.08
  4. Step 4: Simplify right side
    56,469.52x = 1,611,975,594.61
  5. Step 5: Solve for x
    x = 1,611,975,594.61/56,469.52
  6. Step 6: Final answer
    x = 28,545.94

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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.