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Finding the Fourth Proportional to 11,937.63, 17,906.63 and 4,146.63

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Solution

The fourth proportional to 11,937.63, 17,906.63 and 4,146.63 is: 6,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.63 : 17,906.63 = 4,146.63 : x
  2. Step 2: Convert to fraction form
    11,937.63/17,906.63 = 4,146.63/x
  3. Step 3: Cross multiply
    11,937.63x = 17,906.63 × 4,146.63
  4. Step 4: Simplify right side
    11,937.63x = 74,252,148.42
  5. Step 5: Solve for x
    x = 74,252,148.42/11,937.63
  6. Step 6: Final answer
    x = 6,220.01

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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.