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Finding the Fourth Proportional to 18,847.01, 26,007.02 and 10,889.06

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Solution

The fourth proportional to 18,847.01, 26,007.02 and 10,889.06 is: 15,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.01 : 26,007.02 = 10,889.06 : x
  2. Step 2: Convert to fraction form
    18,847.01/26,007.02 = 10,889.06/x
  3. Step 3: Cross multiply
    18,847.01x = 26,007.02 × 10,889.06
  4. Step 4: Simplify right side
    18,847.01x = 283,192,001.20
  5. Step 5: Solve for x
    x = 283,192,001.20/18,847.01
  6. Step 6: Final answer
    x = 15,025.83

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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.