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Finding the Fourth Proportional to 8,885.22, 13,316.90 and 3,035

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Solution

The fourth proportional to 8,885.22, 13,316.90 and 3,035 is: 4,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.22 : 13,316.90 = 3,035 : x
  2. Step 2: Convert to fraction form
    8,885.22/13,316.90 = 3,035/x
  3. Step 3: Cross multiply
    8,885.22x = 13,316.90 × 3,035
  4. Step 4: Simplify right side
    8,885.22x = 40,416,791.50
  5. Step 5: Solve for x
    x = 40,416,791.50/8,885.22
  6. Step 6: Final answer
    x = 4,548.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.