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Finding the Fourth Proportional to 11,955.52, 16,498.16 and 6,650.16

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Solution

The fourth proportional to 11,955.52, 16,498.16 and 6,650.16 is: 9,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.52 : 16,498.16 = 6,650.16 : x
  2. Step 2: Convert to fraction form
    11,955.52/16,498.16 = 6,650.16/x
  3. Step 3: Cross multiply
    11,955.52x = 16,498.16 × 6,650.16
  4. Step 4: Simplify right side
    11,955.52x = 109,715,403.71
  5. Step 5: Solve for x
    x = 109,715,403.71/11,955.52
  6. Step 6: Final answer
    x = 9,176.97

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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.