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Finding the Fourth Proportional to 59,445.43, 89,168.49 and 15,072.28

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Solution

The fourth proportional to 59,445.43, 89,168.49 and 15,072.28 is: 22,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,445.43 : 89,168.49 = 15,072.28 : x
  2. Step 2: Convert to fraction form
    59,445.43/89,168.49 = 15,072.28/x
  3. Step 3: Cross multiply
    59,445.43x = 89,168.49 × 15,072.28
  4. Step 4: Simplify right side
    59,445.43x = 1,343,972,448.46
  5. Step 5: Solve for x
    x = 1,343,972,448.46/59,445.43
  6. Step 6: Final answer
    x = 22,608.51

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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.