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Finding the Fourth Proportional to 45,953.64, 68,619.17 and 36,487.44

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Solution

The fourth proportional to 45,953.64, 68,619.17 and 36,487.44 is: 54,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,953.64 : 68,619.17 = 36,487.44 : x
  2. Step 2: Convert to fraction form
    45,953.64/68,619.17 = 36,487.44/x
  3. Step 3: Cross multiply
    45,953.64x = 68,619.17 × 36,487.44
  4. Step 4: Simplify right side
    45,953.64x = 2,503,737,939.44
  5. Step 5: Solve for x
    x = 2,503,737,939.44/45,953.64
  6. Step 6: Final answer
    x = 54,484.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.