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Finding the Fourth Proportional to 17,768.40, 26,650.08 and 6,079.92

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Solution

The fourth proportional to 17,768.40, 26,650.08 and 6,079.92 is: 9,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.40 : 26,650.08 = 6,079.92 : x
  2. Step 2: Convert to fraction form
    17,768.40/26,650.08 = 6,079.92/x
  3. Step 3: Cross multiply
    17,768.40x = 26,650.08 × 6,079.92
  4. Step 4: Simplify right side
    17,768.40x = 162,030,354.39
  5. Step 5: Solve for x
    x = 162,030,354.39/17,768.40
  6. Step 6: Final answer
    x = 9,119.02

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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.