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Finding the Fourth Proportional to 58,508.37, 87,745.80 and 19,068.93

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Solution

The fourth proportional to 58,508.37, 87,745.80 and 19,068.93 is: 28,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,508.37 : 87,745.80 = 19,068.93 : x
  2. Step 2: Convert to fraction form
    58,508.37/87,745.80 = 19,068.93/x
  3. Step 3: Cross multiply
    58,508.37x = 87,745.80 × 19,068.93
  4. Step 4: Simplify right side
    58,508.37x = 1,673,218,517.99
  5. Step 5: Solve for x
    x = 1,673,218,517.99/58,508.37
  6. Step 6: Final answer
    x = 28,597.93

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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.