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Finding the Fourth Proportional to 36,255, 50,027.58 and 21,150.84

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Solution

The fourth proportional to 36,255, 50,027.58 and 21,150.84 is: 29,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,255 : 50,027.58 = 21,150.84 : x
  2. Step 2: Convert to fraction form
    36,255/50,027.58 = 21,150.84/x
  3. Step 3: Cross multiply
    36,255x = 50,027.58 × 21,150.84
  4. Step 4: Simplify right side
    36,255x = 1,058,125,340.17
  5. Step 5: Solve for x
    x = 1,058,125,340.17/36,255
  6. Step 6: Final answer
    x = 29,185.64

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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.