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Finding the Fourth Proportional to 18,850.92, 26,018.92 and 10,897.73

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Solution

The fourth proportional to 18,850.92, 26,018.92 and 10,897.73 is: 15,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.92 : 26,018.92 = 10,897.73 : x
  2. Step 2: Convert to fraction form
    18,850.92/26,018.92 = 10,897.73/x
  3. Step 3: Cross multiply
    18,850.92x = 26,018.92 × 10,897.73
  4. Step 4: Simplify right side
    18,850.92x = 283,547,165.05
  5. Step 5: Solve for x
    x = 283,547,165.05/18,850.92
  6. Step 6: Final answer
    x = 15,041.56

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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.