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Finding the Fourth Proportional to 18,047.97, 24,906.98 and 10,090.20

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Solution

The fourth proportional to 18,047.97, 24,906.98 and 10,090.20 is: 13,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.97 : 24,906.98 = 10,090.20 : x
  2. Step 2: Convert to fraction form
    18,047.97/24,906.98 = 10,090.20/x
  3. Step 3: Cross multiply
    18,047.97x = 24,906.98 × 10,090.20
  4. Step 4: Simplify right side
    18,047.97x = 251,316,359.15
  5. Step 5: Solve for x
    x = 251,316,359.15/18,047.97
  6. Step 6: Final answer
    x = 13,924.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.