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Finding the Fourth Proportional to 58,533.54, 87,820.02 and 18,559.05

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Solution

The fourth proportional to 58,533.54, 87,820.02 and 18,559.05 is: 27,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,533.54 : 87,820.02 = 18,559.05 : x
  2. Step 2: Convert to fraction form
    58,533.54/87,820.02 = 18,559.05/x
  3. Step 3: Cross multiply
    58,533.54x = 87,820.02 × 18,559.05
  4. Step 4: Simplify right side
    58,533.54x = 1,629,856,142.18
  5. Step 5: Solve for x
    x = 1,629,856,142.18/58,533.54
  6. Step 6: Final answer
    x = 27,844.82

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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.