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Finding the Fourth Proportional to 13,483.98, 20,230.14 and 6,086.40

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Solution

The fourth proportional to 13,483.98, 20,230.14 and 6,086.40 is: 9,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.98 : 20,230.14 = 6,086.40 : x
  2. Step 2: Convert to fraction form
    13,483.98/20,230.14 = 6,086.40/x
  3. Step 3: Cross multiply
    13,483.98x = 20,230.14 × 6,086.40
  4. Step 4: Simplify right side
    13,483.98x = 123,128,724.10
  5. Step 5: Solve for x
    x = 123,128,724.10/13,483.98
  6. Step 6: Final answer
    x = 9,131.48

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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.