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Finding the Fourth Proportional to 8,996.58, 13,494.90 and 3,153.18

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Solution

The fourth proportional to 8,996.58, 13,494.90 and 3,153.18 is: 4,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.58 : 13,494.90 = 3,153.18 : x
  2. Step 2: Convert to fraction form
    8,996.58/13,494.90 = 3,153.18/x
  3. Step 3: Cross multiply
    8,996.58x = 13,494.90 × 3,153.18
  4. Step 4: Simplify right side
    8,996.58x = 42,551,848.78
  5. Step 5: Solve for x
    x = 42,551,848.78/8,996.58
  6. Step 6: Final answer
    x = 4,729.78

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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.