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Finding the Fourth Proportional to 27,419.37, 37,838.74 and 14,844.12

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Solution

The fourth proportional to 27,419.37, 37,838.74 and 14,844.12 is: 20,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.37 : 37,838.74 = 14,844.12 : x
  2. Step 2: Convert to fraction form
    27,419.37/37,838.74 = 14,844.12/x
  3. Step 3: Cross multiply
    27,419.37x = 37,838.74 × 14,844.12
  4. Step 4: Simplify right side
    27,419.37x = 561,682,797.21
  5. Step 5: Solve for x
    x = 561,682,797.21/27,419.37
  6. Step 6: Final answer
    x = 20,484.89

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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.