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Finding the Fourth Proportional to 59,452.63, 89,179.43 and 20,009.18

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Solution

The fourth proportional to 59,452.63, 89,179.43 and 20,009.18 is: 30,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,452.63 : 89,179.43 = 20,009.18 : x
  2. Step 2: Convert to fraction form
    59,452.63/89,179.43 = 20,009.18/x
  3. Step 3: Cross multiply
    59,452.63x = 89,179.43 × 20,009.18
  4. Step 4: Simplify right side
    59,452.63x = 1,784,407,000.99
  5. Step 5: Solve for x
    x = 1,784,407,000.99/59,452.63
  6. Step 6: Final answer
    x = 30,013.93

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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.