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Finding the Fourth Proportional to 58,447.77, 87,652.99 and 18,995.37

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Solution

The fourth proportional to 58,447.77, 87,652.99 and 18,995.37 is: 28,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,447.77 : 87,652.99 = 18,995.37 : x
  2. Step 2: Convert to fraction form
    58,447.77/87,652.99 = 18,995.37/x
  3. Step 3: Cross multiply
    58,447.77x = 87,652.99 × 18,995.37
  4. Step 4: Simplify right side
    58,447.77x = 1,665,000,976.66
  5. Step 5: Solve for x
    x = 1,665,000,976.66/58,447.77
  6. Step 6: Final answer
    x = 28,486.99

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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.