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Finding the Fourth Proportional to 26,289, 39,437.13 and 7,570.08

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Solution

The fourth proportional to 26,289, 39,437.13 and 7,570.08 is: 11,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289 : 39,437.13 = 7,570.08 : x
  2. Step 2: Convert to fraction form
    26,289/39,437.13 = 7,570.08/x
  3. Step 3: Cross multiply
    26,289x = 39,437.13 × 7,570.08
  4. Step 4: Simplify right side
    26,289x = 298,542,229.07
  5. Step 5: Solve for x
    x = 298,542,229.07/26,289
  6. Step 6: Final answer
    x = 11,356.17

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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.