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Finding the Fourth Proportional to 18,587.37, 27,881.19 and 4,736.37

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Solution

The fourth proportional to 18,587.37, 27,881.19 and 4,736.37 is: 7,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.37 : 27,881.19 = 4,736.37 : x
  2. Step 2: Convert to fraction form
    18,587.37/27,881.19 = 4,736.37/x
  3. Step 3: Cross multiply
    18,587.37x = 27,881.19 × 4,736.37
  4. Step 4: Simplify right side
    18,587.37x = 132,055,631.88
  5. Step 5: Solve for x
    x = 132,055,631.88/18,587.37
  6. Step 6: Final answer
    x = 7,104.59

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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.