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Finding the Fourth Proportional to 58,795.50, 81,137.79 and 32,299.50

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Solution

The fourth proportional to 58,795.50, 81,137.79 and 32,299.50 is: 44,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,795.50 : 81,137.79 = 32,299.50 : x
  2. Step 2: Convert to fraction form
    58,795.50/81,137.79 = 32,299.50/x
  3. Step 3: Cross multiply
    58,795.50x = 81,137.79 × 32,299.50
  4. Step 4: Simplify right side
    58,795.50x = 2,620,710,048.11
  5. Step 5: Solve for x
    x = 2,620,710,048.11/58,795.50
  6. Step 6: Final answer
    x = 44,573.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.