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Finding the Fourth Proportional to 36,887, 55,353.18 and 19,369.40

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Solution

The fourth proportional to 36,887, 55,353.18 and 19,369.40 is: 29,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887 : 55,353.18 = 19,369.40 : x
  2. Step 2: Convert to fraction form
    36,887/55,353.18 = 19,369.40/x
  3. Step 3: Cross multiply
    36,887x = 55,353.18 × 19,369.40
  4. Step 4: Simplify right side
    36,887x = 1,072,157,884.69
  5. Step 5: Solve for x
    x = 1,072,157,884.69/36,887
  6. Step 6: Final answer
    x = 29,066.01

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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.