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Finding the Fourth Proportional to 17,953.68, 26,930.42 and 7,565.42

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Solution

The fourth proportional to 17,953.68, 26,930.42 and 7,565.42 is: 11,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.68 : 26,930.42 = 7,565.42 : x
  2. Step 2: Convert to fraction form
    17,953.68/26,930.42 = 7,565.42/x
  3. Step 3: Cross multiply
    17,953.68x = 26,930.42 × 7,565.42
  4. Step 4: Simplify right side
    17,953.68x = 203,739,938.08
  5. Step 5: Solve for x
    x = 203,739,938.08/17,953.68
  6. Step 6: Final answer
    x = 11,348.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.