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Finding the Fourth Proportional to 58,579.52, 87,908.16 and 30,896.96

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Solution

The fourth proportional to 58,579.52, 87,908.16 and 30,896.96 is: 46,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,579.52 : 87,908.16 = 30,896.96 : x
  2. Step 2: Convert to fraction form
    58,579.52/87,908.16 = 30,896.96/x
  3. Step 3: Cross multiply
    58,579.52x = 87,908.16 × 30,896.96
  4. Step 4: Simplify right side
    58,579.52x = 2,716,094,903.19
  5. Step 5: Solve for x
    x = 2,716,094,903.19/58,579.52
  6. Step 6: Final answer
    x = 46,365.95

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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.