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Finding the Fourth Proportional to 12,634.69, 17,436.02 and 6,969.69

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Solution

The fourth proportional to 12,634.69, 17,436.02 and 6,969.69 is: 9,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.69 : 17,436.02 = 6,969.69 : x
  2. Step 2: Convert to fraction form
    12,634.69/17,436.02 = 6,969.69/x
  3. Step 3: Cross multiply
    12,634.69x = 17,436.02 × 6,969.69
  4. Step 4: Simplify right side
    12,634.69x = 121,523,654.23
  5. Step 5: Solve for x
    x = 121,523,654.23/12,634.69
  6. Step 6: Final answer
    x = 9,618.25

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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.