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Finding the Fourth Proportional to 58,062.75, 87,108.75 and 16,509.75

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Solution

The fourth proportional to 58,062.75, 87,108.75 and 16,509.75 is: 24,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,062.75 : 87,108.75 = 16,509.75 : x
  2. Step 2: Convert to fraction form
    58,062.75/87,108.75 = 16,509.75/x
  3. Step 3: Cross multiply
    58,062.75x = 87,108.75 × 16,509.75
  4. Step 4: Simplify right side
    58,062.75x = 1,438,143,685.31
  5. Step 5: Solve for x
    x = 1,438,143,685.31/58,062.75
  6. Step 6: Final answer
    x = 24,768.78

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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.