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Finding the Fourth Proportional to 59,448.50, 89,109.90 and 21,984.54

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Solution

The fourth proportional to 59,448.50, 89,109.90 and 21,984.54 is: 32,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,448.50 : 89,109.90 = 21,984.54 : x
  2. Step 2: Convert to fraction form
    59,448.50/89,109.90 = 21,984.54/x
  3. Step 3: Cross multiply
    59,448.50x = 89,109.90 × 21,984.54
  4. Step 4: Simplify right side
    59,448.50x = 1,959,040,160.95
  5. Step 5: Solve for x
    x = 1,959,040,160.95/59,448.50
  6. Step 6: Final answer
    x = 32,953.57

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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.