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Finding the Fourth Proportional to 36,993.68, 55,490.04 and 9,291.68

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Solution

The fourth proportional to 36,993.68, 55,490.04 and 9,291.68 is: 13,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,993.68 : 55,490.04 = 9,291.68 : x
  2. Step 2: Convert to fraction form
    36,993.68/55,490.04 = 9,291.68/x
  3. Step 3: Cross multiply
    36,993.68x = 55,490.04 × 9,291.68
  4. Step 4: Simplify right side
    36,993.68x = 515,595,694.87
  5. Step 5: Solve for x
    x = 515,595,694.87/36,993.68
  6. Step 6: Final answer
    x = 13,937.40

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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.