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Finding the Fourth Proportional to 39,058.92, 58,590 and 11,356.92

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Solution

The fourth proportional to 39,058.92, 58,590 and 11,356.92 is: 17,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.92 : 58,590 = 11,356.92 : x
  2. Step 2: Convert to fraction form
    39,058.92/58,590 = 11,356.92/x
  3. Step 3: Cross multiply
    39,058.92x = 58,590 × 11,356.92
  4. Step 4: Simplify right side
    39,058.92x = 665,401,942.80
  5. Step 5: Solve for x
    x = 665,401,942.80/39,058.92
  6. Step 6: Final answer
    x = 17,035.85

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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.