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Finding the Fourth Proportional to 63,953.73, 88,245.84 and 38,454

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Solution

The fourth proportional to 63,953.73, 88,245.84 and 38,454 is: 53,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,953.73 : 88,245.84 = 38,454 : x
  2. Step 2: Convert to fraction form
    63,953.73/88,245.84 = 38,454/x
  3. Step 3: Cross multiply
    63,953.73x = 88,245.84 × 38,454
  4. Step 4: Simplify right side
    63,953.73x = 3,393,405,531.36
  5. Step 5: Solve for x
    x = 3,393,405,531.36/63,953.73
  6. Step 6: Final answer
    x = 53,060.32

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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.