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Finding the Fourth Proportional to 39,062.99, 58,545.75 and 19,055.99

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Solution

The fourth proportional to 39,062.99, 58,545.75 and 19,055.99 is: 28,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.99 : 58,545.75 = 19,055.99 : x
  2. Step 2: Convert to fraction form
    39,062.99/58,545.75 = 19,055.99/x
  3. Step 3: Cross multiply
    39,062.99x = 58,545.75 × 19,055.99
  4. Step 4: Simplify right side
    39,062.99x = 1,115,647,226.54
  5. Step 5: Solve for x
    x = 1,115,647,226.54/39,062.99
  6. Step 6: Final answer
    x = 28,560.21

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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.