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Finding the Fourth Proportional to 36,889.63, 55,334.64 and 9,187.63

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Solution

The fourth proportional to 36,889.63, 55,334.64 and 9,187.63 is: 13,781.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,889.63 : 55,334.64 = 9,187.63 : x
  2. Step 2: Convert to fraction form
    36,889.63/55,334.64 = 9,187.63/x
  3. Step 3: Cross multiply
    36,889.63x = 55,334.64 × 9,187.63
  4. Step 4: Simplify right side
    36,889.63x = 508,393,921.83
  5. Step 5: Solve for x
    x = 508,393,921.83/36,889.63
  6. Step 6: Final answer
    x = 13,781.49

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Double scale
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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.