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Finding the Fourth Proportional to 10,886.58, 15,022.53 and 6,170.58

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Solution

The fourth proportional to 10,886.58, 15,022.53 and 6,170.58 is: 8,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.58 : 15,022.53 = 6,170.58 : x
  2. Step 2: Convert to fraction form
    10,886.58/15,022.53 = 6,170.58/x
  3. Step 3: Cross multiply
    10,886.58x = 15,022.53 × 6,170.58
  4. Step 4: Simplify right side
    10,886.58x = 92,697,723.17
  5. Step 5: Solve for x
    x = 92,697,723.17/10,886.58
  6. Step 6: Final answer
    x = 8,514.86

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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.