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Finding the Fourth Proportional to 59,512.31, 89,224.72 and 28,369.43

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Solution

The fourth proportional to 59,512.31, 89,224.72 and 28,369.43 is: 42,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,512.31 : 89,224.72 = 28,369.43 : x
  2. Step 2: Convert to fraction form
    59,512.31/89,224.72 = 28,369.43/x
  3. Step 3: Cross multiply
    59,512.31x = 89,224.72 × 28,369.43
  4. Step 4: Simplify right side
    59,512.31x = 2,531,254,448.31
  5. Step 5: Solve for x
    x = 2,531,254,448.31/59,512.31
  6. Step 6: Final answer
    x = 42,533.29

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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.