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Finding the Fourth Proportional to 36,667.13, 55,000.70 and 8,965.13

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Solution

The fourth proportional to 36,667.13, 55,000.70 and 8,965.13 is: 13,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,667.13 : 55,000.70 = 8,965.13 : x
  2. Step 2: Convert to fraction form
    36,667.13/55,000.70 = 8,965.13/x
  3. Step 3: Cross multiply
    36,667.13x = 55,000.70 × 8,965.13
  4. Step 4: Simplify right side
    36,667.13x = 493,088,425.59
  5. Step 5: Solve for x
    x = 493,088,425.59/36,667.13
  6. Step 6: Final answer
    x = 13,447.70

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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.