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Finding the Fourth Proportional to 48,575.58, 66,597.38 and 47,689.98

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Solution

The fourth proportional to 48,575.58, 66,597.38 and 47,689.98 is: 65,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,575.58 : 66,597.38 = 47,689.98 : x
  2. Step 2: Convert to fraction form
    48,575.58/66,597.38 = 47,689.98/x
  3. Step 3: Cross multiply
    48,575.58x = 66,597.38 × 47,689.98
  4. Step 4: Simplify right side
    48,575.58x = 3,176,027,481.80
  5. Step 5: Solve for x
    x = 3,176,027,481.80/48,575.58
  6. Step 6: Final answer
    x = 65,383.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.