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Finding the Fourth Proportional to 31,750.34, 43,815.48 and 17,602.88

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Solution

The fourth proportional to 31,750.34, 43,815.48 and 17,602.88 is: 24,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.34 : 43,815.48 = 17,602.88 : x
  2. Step 2: Convert to fraction form
    31,750.34/43,815.48 = 17,602.88/x
  3. Step 3: Cross multiply
    31,750.34x = 43,815.48 × 17,602.88
  4. Step 4: Simplify right side
    31,750.34x = 771,278,636.58
  5. Step 5: Solve for x
    x = 771,278,636.58/31,750.34
  6. Step 6: Final answer
    x = 24,291.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.