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Finding the Fourth Proportional to 17,820.29, 26,729.84 and 8,467.02

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Solution

The fourth proportional to 17,820.29, 26,729.84 and 8,467.02 is: 12,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.29 : 26,729.84 = 8,467.02 : x
  2. Step 2: Convert to fraction form
    17,820.29/26,729.84 = 8,467.02/x
  3. Step 3: Cross multiply
    17,820.29x = 26,729.84 × 8,467.02
  4. Step 4: Simplify right side
    17,820.29x = 226,322,111.04
  5. Step 5: Solve for x
    x = 226,322,111.04/17,820.29
  6. Step 6: Final answer
    x = 12,700.25

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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.