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Finding the Fourth Proportional to 9,296.70, 12,824.08 and 5,935.74

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Solution

The fourth proportional to 9,296.70, 12,824.08 and 5,935.74 is: 8,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.70 : 12,824.08 = 5,935.74 : x
  2. Step 2: Convert to fraction form
    9,296.70/12,824.08 = 5,935.74/x
  3. Step 3: Cross multiply
    9,296.70x = 12,824.08 × 5,935.74
  4. Step 4: Simplify right side
    9,296.70x = 76,120,363.95
  5. Step 5: Solve for x
    x = 76,120,363.95/9,296.70
  6. Step 6: Final answer
    x = 8,187.89

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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.