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Finding the Fourth Proportional to 58,751.36, 87,932.09 and 53,498.46

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Solution

The fourth proportional to 58,751.36, 87,932.09 and 53,498.46 is: 80,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,751.36 : 87,932.09 = 53,498.46 : x
  2. Step 2: Convert to fraction form
    58,751.36/87,932.09 = 53,498.46/x
  3. Step 3: Cross multiply
    58,751.36x = 87,932.09 × 53,498.46
  4. Step 4: Simplify right side
    58,751.36x = 4,704,231,814.65
  5. Step 5: Solve for x
    x = 4,704,231,814.65/58,751.36
  6. Step 6: Final answer
    x = 80,070.17

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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.