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Finding the Fourth Proportional to 17,636.64, 24,339.16 and 9,679.31

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Solution

The fourth proportional to 17,636.64, 24,339.16 and 9,679.31 is: 13,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.64 : 24,339.16 = 9,679.31 : x
  2. Step 2: Convert to fraction form
    17,636.64/24,339.16 = 9,679.31/x
  3. Step 3: Cross multiply
    17,636.64x = 24,339.16 × 9,679.31
  4. Step 4: Simplify right side
    17,636.64x = 235,586,104.69
  5. Step 5: Solve for x
    x = 235,586,104.69/17,636.64
  6. Step 6: Final answer
    x = 13,357.77

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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.