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Finding the Fourth Proportional to 7,216.74, 9,960.93 and 4,826.97

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Solution

The fourth proportional to 7,216.74, 9,960.93 and 4,826.97 is: 6,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.74 : 9,960.93 = 4,826.97 : x
  2. Step 2: Convert to fraction form
    7,216.74/9,960.93 = 4,826.97/x
  3. Step 3: Cross multiply
    7,216.74x = 9,960.93 × 4,826.97
  4. Step 4: Simplify right side
    7,216.74x = 48,081,110.28
  5. Step 5: Solve for x
    x = 48,081,110.28/7,216.74
  6. Step 6: Final answer
    x = 6,662.44

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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.