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Finding the Fourth Proportional to 36,867.56, 55,301.55 and 9,165.56

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Solution

The fourth proportional to 36,867.56, 55,301.55 and 9,165.56 is: 13,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.56 : 55,301.55 = 9,165.56 : x
  2. Step 2: Convert to fraction form
    36,867.56/55,301.55 = 9,165.56/x
  3. Step 3: Cross multiply
    36,867.56x = 55,301.55 × 9,165.56
  4. Step 4: Simplify right side
    36,867.56x = 506,869,812.87
  5. Step 5: Solve for x
    x = 506,869,812.87/36,867.56
  6. Step 6: Final answer
    x = 13,748.40

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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.