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Finding the Fourth Proportional to 11,873.01, 17,819.64 and 6,613.28

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Solution

The fourth proportional to 11,873.01, 17,819.64 and 6,613.28 is: 9,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.01 : 17,819.64 = 6,613.28 : x
  2. Step 2: Convert to fraction form
    11,873.01/17,819.64 = 6,613.28/x
  3. Step 3: Cross multiply
    11,873.01x = 17,819.64 × 6,613.28
  4. Step 4: Simplify right side
    11,873.01x = 117,846,179.72
  5. Step 5: Solve for x
    x = 117,846,179.72/11,873.01
  6. Step 6: Final answer
    x = 9,925.55

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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.