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Finding the Fourth Proportional to 17,806.10, 26,712.11 and 7,945.01

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Solution

The fourth proportional to 17,806.10, 26,712.11 and 7,945.01 is: 11,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806.10 : 26,712.11 = 7,945.01 : x
  2. Step 2: Convert to fraction form
    17,806.10/26,712.11 = 7,945.01/x
  3. Step 3: Cross multiply
    17,806.10x = 26,712.11 × 7,945.01
  4. Step 4: Simplify right side
    17,806.10x = 212,227,807.79
  5. Step 5: Solve for x
    x = 212,227,807.79/17,806.10
  6. Step 6: Final answer
    x = 11,918.83

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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.