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Finding the Fourth Proportional to 45,446.52, 68,063.98 and 43,870.06

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Solution

The fourth proportional to 45,446.52, 68,063.98 and 43,870.06 is: 65,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,446.52 : 68,063.98 = 43,870.06 : x
  2. Step 2: Convert to fraction form
    45,446.52/68,063.98 = 43,870.06/x
  3. Step 3: Cross multiply
    45,446.52x = 68,063.98 × 43,870.06
  4. Step 4: Simplify right side
    45,446.52x = 2,985,970,886.44
  5. Step 5: Solve for x
    x = 2,985,970,886.44/45,446.52
  6. Step 6: Final answer
    x = 65,702.96

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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.