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Finding the Fourth Proportional to 32,467.62, 48,702.82 and 12,750.45

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Solution

The fourth proportional to 32,467.62, 48,702.82 and 12,750.45 is: 19,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,467.62 : 48,702.82 = 12,750.45 : x
  2. Step 2: Convert to fraction form
    32,467.62/48,702.82 = 12,750.45/x
  3. Step 3: Cross multiply
    32,467.62x = 48,702.82 × 12,750.45
  4. Step 4: Simplify right side
    32,467.62x = 620,982,680.66
  5. Step 5: Solve for x
    x = 620,982,680.66/32,467.62
  6. Step 6: Final answer
    x = 19,126.22

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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.