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Finding the Fourth Proportional to 58,980.50, 81,394.02 and 32,122.99

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Solution

The fourth proportional to 58,980.50, 81,394.02 and 32,122.99 is: 44,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,980.50 : 81,394.02 = 32,122.99 : x
  2. Step 2: Convert to fraction form
    58,980.50/81,394.02 = 32,122.99/x
  3. Step 3: Cross multiply
    58,980.50x = 81,394.02 × 32,122.99
  4. Step 4: Simplify right side
    58,980.50x = 2,614,619,290.52
  5. Step 5: Solve for x
    x = 2,614,619,290.52/58,980.50
  6. Step 6: Final answer
    x = 44,330.23

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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.