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Finding the Fourth Proportional to 17,063.25, 23,548.08 and 9,991.95

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Solution

The fourth proportional to 17,063.25, 23,548.08 and 9,991.95 is: 13,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.25 : 23,548.08 = 9,991.95 : x
  2. Step 2: Convert to fraction form
    17,063.25/23,548.08 = 9,991.95/x
  3. Step 3: Cross multiply
    17,063.25x = 23,548.08 × 9,991.95
  4. Step 4: Simplify right side
    17,063.25x = 235,291,120.22
  5. Step 5: Solve for x
    x = 235,291,120.22/17,063.25
  6. Step 6: Final answer
    x = 13,789.35

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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.