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Finding the Fourth Proportional to 12,474.05, 18,714.74 and 6,626.25

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Solution

The fourth proportional to 12,474.05, 18,714.74 and 6,626.25 is: 9,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.05 : 18,714.74 = 6,626.25 : x
  2. Step 2: Convert to fraction form
    12,474.05/18,714.74 = 6,626.25/x
  3. Step 3: Cross multiply
    12,474.05x = 18,714.74 × 6,626.25
  4. Step 4: Simplify right side
    12,474.05x = 124,008,512.79
  5. Step 5: Solve for x
    x = 124,008,512.79/12,474.05
  6. Step 6: Final answer
    x = 9,941.32

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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.