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Finding the Fourth Proportional to 11,615.01, 17,424.62 and 4,229.84

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Solution

The fourth proportional to 11,615.01, 17,424.62 and 4,229.84 is: 6,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.01 : 17,424.62 = 4,229.84 : x
  2. Step 2: Convert to fraction form
    11,615.01/17,424.62 = 4,229.84/x
  3. Step 3: Cross multiply
    11,615.01x = 17,424.62 × 4,229.84
  4. Step 4: Simplify right side
    11,615.01x = 73,703,246.39
  5. Step 5: Solve for x
    x = 73,703,246.39/11,615.01
  6. Step 6: Final answer
    x = 6,345.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.