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Finding the Fourth Proportional to 58,339.91, 87,509.86 and 16,786.91

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Solution

The fourth proportional to 58,339.91, 87,509.86 and 16,786.91 is: 25,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,339.91 : 87,509.86 = 16,786.91 : x
  2. Step 2: Convert to fraction form
    58,339.91/87,509.86 = 16,786.91/x
  3. Step 3: Cross multiply
    58,339.91x = 87,509.86 × 16,786.91
  4. Step 4: Simplify right side
    58,339.91x = 1,469,020,143.93
  5. Step 5: Solve for x
    x = 1,469,020,143.93/58,339.91
  6. Step 6: Final answer
    x = 25,180.36

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1.5x scale

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.