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Finding the Fourth Proportional to 68,511.96, 94,543.74 and 38,296.80

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Solution

The fourth proportional to 68,511.96, 94,543.74 and 38,296.80 is: 52,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,511.96 : 94,543.74 = 38,296.80 : x
  2. Step 2: Convert to fraction form
    68,511.96/94,543.74 = 38,296.80/x
  3. Step 3: Cross multiply
    68,511.96x = 94,543.74 × 38,296.80
  4. Step 4: Simplify right side
    68,511.96x = 3,620,722,702.03
  5. Step 5: Solve for x
    x = 3,620,722,702.03/68,511.96
  6. Step 6: Final answer
    x = 52,848.04

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1.5x scale

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.