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Finding the Fourth Proportional to 26,699.32, 36,860.06 and 17,759

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Solution

The fourth proportional to 26,699.32, 36,860.06 and 17,759 is: 24,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.32 : 36,860.06 = 17,759 : x
  2. Step 2: Convert to fraction form
    26,699.32/36,860.06 = 17,759/x
  3. Step 3: Cross multiply
    26,699.32x = 36,860.06 × 17,759
  4. Step 4: Simplify right side
    26,699.32x = 654,597,805.54
  5. Step 5: Solve for x
    x = 654,597,805.54/26,699.32
  6. Step 6: Final answer
    x = 24,517.40

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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.