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Finding the Fourth Proportional to 36,870.82, 55,306.41 and 9,168.82

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Solution

The fourth proportional to 36,870.82, 55,306.41 and 9,168.82 is: 13,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.82 : 55,306.41 = 9,168.82 : x
  2. Step 2: Convert to fraction form
    36,870.82/55,306.41 = 9,168.82/x
  3. Step 3: Cross multiply
    36,870.82x = 55,306.41 × 9,168.82
  4. Step 4: Simplify right side
    36,870.82x = 507,094,518.14
  5. Step 5: Solve for x
    x = 507,094,518.14/36,870.82
  6. Step 6: Final answer
    x = 13,753.27

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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.