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Finding the Fourth Proportional to 34,709.71, 47,899.44 and 18,794.12

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Solution

The fourth proportional to 34,709.71, 47,899.44 and 18,794.12 is: 25,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,709.71 : 47,899.44 = 18,794.12 : x
  2. Step 2: Convert to fraction form
    34,709.71/47,899.44 = 18,794.12/x
  3. Step 3: Cross multiply
    34,709.71x = 47,899.44 × 18,794.12
  4. Step 4: Simplify right side
    34,709.71x = 900,227,729.32
  5. Step 5: Solve for x
    x = 900,227,729.32/34,709.71
  6. Step 6: Final answer
    x = 25,935.90

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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.