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Finding the Fourth Proportional to 34,393.68, 47,462.76 and 19,286.34

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Solution

The fourth proportional to 34,393.68, 47,462.76 and 19,286.34 is: 26,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,393.68 : 47,462.76 = 19,286.34 : x
  2. Step 2: Convert to fraction form
    34,393.68/47,462.76 = 19,286.34/x
  3. Step 3: Cross multiply
    34,393.68x = 47,462.76 × 19,286.34
  4. Step 4: Simplify right side
    34,393.68x = 915,382,926.70
  5. Step 5: Solve for x
    x = 915,382,926.70/34,393.68
  6. Step 6: Final answer
    x = 26,614.86

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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.