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Finding the Fourth Proportional to 8,796.70, 13,195.05 and 3,606.30

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Solution

The fourth proportional to 8,796.70, 13,195.05 and 3,606.30 is: 5,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.70 : 13,195.05 = 3,606.30 : x
  2. Step 2: Convert to fraction form
    8,796.70/13,195.05 = 3,606.30/x
  3. Step 3: Cross multiply
    8,796.70x = 13,195.05 × 3,606.30
  4. Step 4: Simplify right side
    8,796.70x = 47,585,308.82
  5. Step 5: Solve for x
    x = 47,585,308.82/8,796.70
  6. Step 6: Final answer
    x = 5,409.45

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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.