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Finding the Fourth Proportional to 34,989.52, 48,286.06 and 19,074

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Solution

The fourth proportional to 34,989.52, 48,286.06 and 19,074 is: 26,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,989.52 : 48,286.06 = 19,074 : x
  2. Step 2: Convert to fraction form
    34,989.52/48,286.06 = 19,074/x
  3. Step 3: Cross multiply
    34,989.52x = 48,286.06 × 19,074
  4. Step 4: Simplify right side
    34,989.52x = 921,008,308.44
  5. Step 5: Solve for x
    x = 921,008,308.44/34,989.52
  6. Step 6: Final answer
    x = 26,322.40

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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.