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Finding the Fourth Proportional to 17,798.08, 26,697.56 and 8,435.84

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Solution

The fourth proportional to 17,798.08, 26,697.56 and 8,435.84 is: 12,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.08 : 26,697.56 = 8,435.84 : x
  2. Step 2: Convert to fraction form
    17,798.08/26,697.56 = 8,435.84/x
  3. Step 3: Cross multiply
    17,798.08x = 26,697.56 × 8,435.84
  4. Step 4: Simplify right side
    17,798.08x = 225,216,344.55
  5. Step 5: Solve for x
    x = 225,216,344.55/17,798.08
  6. Step 6: Final answer
    x = 12,653.97

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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.