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Finding the Fourth Proportional to 58,058.75, 87,102.76 and 16,505.75

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Solution

The fourth proportional to 58,058.75, 87,102.76 and 16,505.75 is: 24,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,058.75 : 87,102.76 = 16,505.75 : x
  2. Step 2: Convert to fraction form
    58,058.75/87,102.76 = 16,505.75/x
  3. Step 3: Cross multiply
    58,058.75x = 87,102.76 × 16,505.75
  4. Step 4: Simplify right side
    58,058.75x = 1,437,696,380.87
  5. Step 5: Solve for x
    x = 1,437,696,380.87/58,058.75
  6. Step 6: Final answer
    x = 24,762.79

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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.