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Finding the Fourth Proportional to 12,496.23, 17,244.78 and 6,907.23

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Solution

The fourth proportional to 12,496.23, 17,244.78 and 6,907.23 is: 9,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.23 : 17,244.78 = 6,907.23 : x
  2. Step 2: Convert to fraction form
    12,496.23/17,244.78 = 6,907.23/x
  3. Step 3: Cross multiply
    12,496.23x = 17,244.78 × 6,907.23
  4. Step 4: Simplify right side
    12,496.23x = 119,113,661.76
  5. Step 5: Solve for x
    x = 119,113,661.76/12,496.23
  6. Step 6: Final answer
    x = 9,531.97

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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.