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Finding the Fourth Proportional to 59,511.31, 89,223.22 and 28,368.43

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Solution

The fourth proportional to 59,511.31, 89,223.22 and 28,368.43 is: 42,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,511.31 : 89,223.22 = 28,368.43 : x
  2. Step 2: Convert to fraction form
    59,511.31/89,223.22 = 28,368.43/x
  3. Step 3: Cross multiply
    59,511.31x = 89,223.22 × 28,368.43
  4. Step 4: Simplify right side
    59,511.31x = 2,531,122,483.35
  5. Step 5: Solve for x
    x = 2,531,122,483.35/59,511.31
  6. Step 6: Final answer
    x = 42,531.79

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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.