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Finding the Fourth Proportional to 7,324.62, 10,112.63 and 4,811.19

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Solution

The fourth proportional to 7,324.62, 10,112.63 and 4,811.19 is: 6,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.62 : 10,112.63 = 4,811.19 : x
  2. Step 2: Convert to fraction form
    7,324.62/10,112.63 = 4,811.19/x
  3. Step 3: Cross multiply
    7,324.62x = 10,112.63 × 4,811.19
  4. Step 4: Simplify right side
    7,324.62x = 48,653,784.33
  5. Step 5: Solve for x
    x = 48,653,784.33/7,324.62
  6. Step 6: Final answer
    x = 6,642.50

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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.