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Finding the Fourth Proportional to 8,996.10, 13,494.15 and 8,693.70

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Solution

The fourth proportional to 8,996.10, 13,494.15 and 8,693.70 is: 13,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.10 : 13,494.15 = 8,693.70 : x
  2. Step 2: Convert to fraction form
    8,996.10/13,494.15 = 8,693.70/x
  3. Step 3: Cross multiply
    8,996.10x = 13,494.15 × 8,693.70
  4. Step 4: Simplify right side
    8,996.10x = 117,314,091.86
  5. Step 5: Solve for x
    x = 117,314,091.86/8,996.10
  6. Step 6: Final answer
    x = 13,040.55

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1.5x scale

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.