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Finding the Fourth Proportional to 13,892.60, 20,843.70 and 6,100.28

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Solution

The fourth proportional to 13,892.60, 20,843.70 and 6,100.28 is: 9,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.60 : 20,843.70 = 6,100.28 : x
  2. Step 2: Convert to fraction form
    13,892.60/20,843.70 = 6,100.28/x
  3. Step 3: Cross multiply
    13,892.60x = 20,843.70 × 6,100.28
  4. Step 4: Simplify right side
    13,892.60x = 127,152,406.24
  5. Step 5: Solve for x
    x = 127,152,406.24/13,892.60
  6. Step 6: Final answer
    x = 9,152.53

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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.