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Finding the Fourth Proportional to 32,850, 45,333.05 and 18,702.84

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Solution

The fourth proportional to 32,850, 45,333.05 and 18,702.84 is: 25,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,850 : 45,333.05 = 18,702.84 : x
  2. Step 2: Convert to fraction form
    32,850/45,333.05 = 18,702.84/x
  3. Step 3: Cross multiply
    32,850x = 45,333.05 × 18,702.84
  4. Step 4: Simplify right side
    32,850x = 847,856,687.35
  5. Step 5: Solve for x
    x = 847,856,687.35/32,850
  6. Step 6: Final answer
    x = 25,809.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.