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Finding the Fourth Proportional to 18,606.17, 27,913.10 and 6,126.94

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Solution

The fourth proportional to 18,606.17, 27,913.10 and 6,126.94 is: 9,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.17 : 27,913.10 = 6,126.94 : x
  2. Step 2: Convert to fraction form
    18,606.17/27,913.10 = 6,126.94/x
  3. Step 3: Cross multiply
    18,606.17x = 27,913.10 × 6,126.94
  4. Step 4: Simplify right side
    18,606.17x = 171,021,888.91
  5. Step 5: Solve for x
    x = 171,021,888.91/18,606.17
  6. Step 6: Final answer
    x = 9,191.68

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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.