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Finding the Fourth Proportional to 12,524.88, 17,284.88 and 6,935.88

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Solution

The fourth proportional to 12,524.88, 17,284.88 and 6,935.88 is: 9,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.88 : 17,284.88 = 6,935.88 : x
  2. Step 2: Convert to fraction form
    12,524.88/17,284.88 = 6,935.88/x
  3. Step 3: Cross multiply
    12,524.88x = 17,284.88 × 6,935.88
  4. Step 4: Simplify right side
    12,524.88x = 119,885,853.49
  5. Step 5: Solve for x
    x = 119,885,853.49/12,524.88
  6. Step 6: Final answer
    x = 9,571.82

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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.