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Finding the Fourth Proportional to 12,523.25, 17,282.09 and 6,934.25

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Solution

The fourth proportional to 12,523.25, 17,282.09 and 6,934.25 is: 9,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.25 : 17,282.09 = 6,934.25 : x
  2. Step 2: Convert to fraction form
    12,523.25/17,282.09 = 6,934.25/x
  3. Step 3: Cross multiply
    12,523.25x = 17,282.09 × 6,934.25
  4. Step 4: Simplify right side
    12,523.25x = 119,838,332.58
  5. Step 5: Solve for x
    x = 119,838,332.58/12,523.25
  6. Step 6: Final answer
    x = 9,569.27

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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.