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Finding the Fourth Proportional to 58,473.69, 87,709.76 and 14,100.09

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Solution

The fourth proportional to 58,473.69, 87,709.76 and 14,100.09 is: 21,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,473.69 : 87,709.76 = 14,100.09 : x
  2. Step 2: Convert to fraction form
    58,473.69/87,709.76 = 14,100.09/x
  3. Step 3: Cross multiply
    58,473.69x = 87,709.76 × 14,100.09
  4. Step 4: Simplify right side
    58,473.69x = 1,236,715,509.88
  5. Step 5: Solve for x
    x = 1,236,715,509.88/58,473.69
  6. Step 6: Final answer
    x = 21,149.95

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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.