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Finding the Fourth Proportional to 26,335.75, 39,503.63 and 7,867.75

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Solution

The fourth proportional to 26,335.75, 39,503.63 and 7,867.75 is: 11,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335.75 : 39,503.63 = 7,867.75 : x
  2. Step 2: Convert to fraction form
    26,335.75/39,503.63 = 7,867.75/x
  3. Step 3: Cross multiply
    26,335.75x = 39,503.63 × 7,867.75
  4. Step 4: Simplify right side
    26,335.75x = 310,804,645.59
  5. Step 5: Solve for x
    x = 310,804,645.59/26,335.75
  6. Step 6: Final answer
    x = 11,801.63

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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.