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Finding the Fourth Proportional to 8,969.90, 13,453.80 and 2,396.60

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Solution

The fourth proportional to 8,969.90, 13,453.80 and 2,396.60 is: 3,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.90 : 13,453.80 = 2,396.60 : x
  2. Step 2: Convert to fraction form
    8,969.90/13,453.80 = 2,396.60/x
  3. Step 3: Cross multiply
    8,969.90x = 13,453.80 × 2,396.60
  4. Step 4: Simplify right side
    8,969.90x = 32,243,377.08
  5. Step 5: Solve for x
    x = 32,243,377.08/8,969.90
  6. Step 6: Final answer
    x = 3,594.62

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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.