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Finding the Fourth Proportional to 13,892.60, 20,841.60 and 5,995.10

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Solution

The fourth proportional to 13,892.60, 20,841.60 and 5,995.10 is: 8,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.60 : 20,841.60 = 5,995.10 : x
  2. Step 2: Convert to fraction form
    13,892.60/20,841.60 = 5,995.10/x
  3. Step 3: Cross multiply
    13,892.60x = 20,841.60 × 5,995.10
  4. Step 4: Simplify right side
    13,892.60x = 124,947,476.16
  5. Step 5: Solve for x
    x = 124,947,476.16/13,892.60
  6. Step 6: Final answer
    x = 8,993.82

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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.