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Finding the Fourth Proportional to 27,051.84, 37,330.84 and 15,115.27

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Solution

The fourth proportional to 27,051.84, 37,330.84 and 15,115.27 is: 20,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.84 : 37,330.84 = 15,115.27 : x
  2. Step 2: Convert to fraction form
    27,051.84/37,330.84 = 15,115.27/x
  3. Step 3: Cross multiply
    27,051.84x = 37,330.84 × 15,115.27
  4. Step 4: Simplify right side
    27,051.84x = 564,265,650.35
  5. Step 5: Solve for x
    x = 564,265,650.35/27,051.84
  6. Step 6: Final answer
    x = 20,858.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.