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Finding the Fourth Proportional to 17,767.10, 26,650.65 and 11,206.10

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Solution

The fourth proportional to 17,767.10, 26,650.65 and 11,206.10 is: 16,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,767.10 : 26,650.65 = 11,206.10 : x
  2. Step 2: Convert to fraction form
    17,767.10/26,650.65 = 11,206.10/x
  3. Step 3: Cross multiply
    17,767.10x = 26,650.65 × 11,206.10
  4. Step 4: Simplify right side
    17,767.10x = 298,649,848.97
  5. Step 5: Solve for x
    x = 298,649,848.97/17,767.10
  6. Step 6: Final answer
    x = 16,809.15

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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.