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Finding the Fourth Proportional to 36,860.67, 55,290.96 and 9,158.67

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Solution

The fourth proportional to 36,860.67, 55,290.96 and 9,158.67 is: 13,737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.67 : 55,290.96 = 9,158.67 : x
  2. Step 2: Convert to fraction form
    36,860.67/55,290.96 = 9,158.67/x
  3. Step 3: Cross multiply
    36,860.67x = 55,290.96 × 9,158.67
  4. Step 4: Simplify right side
    36,860.67x = 506,391,656.62
  5. Step 5: Solve for x
    x = 506,391,656.62/36,860.67
  6. Step 6: Final answer
    x = 13,737.99

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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.