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Finding the Fourth Proportional to 17,709.63, 26,569.01 and 6,616.39

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Solution

The fourth proportional to 17,709.63, 26,569.01 and 6,616.39 is: 9,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.63 : 26,569.01 = 6,616.39 : x
  2. Step 2: Convert to fraction form
    17,709.63/26,569.01 = 6,616.39/x
  3. Step 3: Cross multiply
    17,709.63x = 26,569.01 × 6,616.39
  4. Step 4: Simplify right side
    17,709.63x = 175,790,932.07
  5. Step 5: Solve for x
    x = 175,790,932.07/17,709.63
  6. Step 6: Final answer
    x = 9,926.29

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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.