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Finding the Fourth Proportional to 10,668.52, 16,008.88 and 5,738.32

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Solution

The fourth proportional to 10,668.52, 16,008.88 and 5,738.32 is: 8,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.52 : 16,008.88 = 5,738.32 : x
  2. Step 2: Convert to fraction form
    10,668.52/16,008.88 = 5,738.32/x
  3. Step 3: Cross multiply
    10,668.52x = 16,008.88 × 5,738.32
  4. Step 4: Simplify right side
    10,668.52x = 91,864,076.28
  5. Step 5: Solve for x
    x = 91,864,076.28/10,668.52
  6. Step 6: Final answer
    x = 8,610.76

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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.