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Finding the Fourth Proportional to 58,615.92, 87,923.99 and 14,242.71

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Solution

The fourth proportional to 58,615.92, 87,923.99 and 14,242.71 is: 21,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,615.92 : 87,923.99 = 14,242.71 : x
  2. Step 2: Convert to fraction form
    58,615.92/87,923.99 = 14,242.71/x
  3. Step 3: Cross multiply
    58,615.92x = 87,923.99 × 14,242.71
  4. Step 4: Simplify right side
    58,615.92x = 1,252,275,891.61
  5. Step 5: Solve for x
    x = 1,252,275,891.61/58,615.92
  6. Step 6: Final answer
    x = 21,364.09

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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.