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Finding the Fourth Proportional to 45,635.58, 68,358 and 36,702.60

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Solution

The fourth proportional to 45,635.58, 68,358 and 36,702.60 is: 54,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.58 : 68,358 = 36,702.60 : x
  2. Step 2: Convert to fraction form
    45,635.58/68,358 = 36,702.60/x
  3. Step 3: Cross multiply
    45,635.58x = 68,358 × 36,702.60
  4. Step 4: Simplify right side
    45,635.58x = 2,508,916,330.80
  5. Step 5: Solve for x
    x = 2,508,916,330.80/45,635.58
  6. Step 6: Final answer
    x = 54,977.20

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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.