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Finding the Fourth Proportional to 13,363.99, 20,043.80 and 4,483.25

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Solution

The fourth proportional to 13,363.99, 20,043.80 and 4,483.25 is: 6,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.99 : 20,043.80 = 4,483.25 : x
  2. Step 2: Convert to fraction form
    13,363.99/20,043.80 = 4,483.25/x
  3. Step 3: Cross multiply
    13,363.99x = 20,043.80 × 4,483.25
  4. Step 4: Simplify right side
    13,363.99x = 89,861,266.13
  5. Step 5: Solve for x
    x = 89,861,266.13/13,363.99
  6. Step 6: Final answer
    x = 6,724.14

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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.