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Finding the Fourth Proportional to 17,613.63, 26,420.49 and 5,935.05

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Solution

The fourth proportional to 17,613.63, 26,420.49 and 5,935.05 is: 8,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613.63 : 26,420.49 = 5,935.05 : x
  2. Step 2: Convert to fraction form
    17,613.63/26,420.49 = 5,935.05/x
  3. Step 3: Cross multiply
    17,613.63x = 26,420.49 × 5,935.05
  4. Step 4: Simplify right side
    17,613.63x = 156,806,929.17
  5. Step 5: Solve for x
    x = 156,806,929.17/17,613.63
  6. Step 6: Final answer
    x = 8,902.59

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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.