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Finding the Fourth Proportional to 36,960.56, 55,440.88 and 9,258.56

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Solution

The fourth proportional to 36,960.56, 55,440.88 and 9,258.56 is: 13,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,960.56 : 55,440.88 = 9,258.56 : x
  2. Step 2: Convert to fraction form
    36,960.56/55,440.88 = 9,258.56/x
  3. Step 3: Cross multiply
    36,960.56x = 55,440.88 × 9,258.56
  4. Step 4: Simplify right side
    36,960.56x = 513,302,713.93
  5. Step 5: Solve for x
    x = 513,302,713.93/36,960.56
  6. Step 6: Final answer
    x = 13,887.85

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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.