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Finding the Fourth Proportional to 17,735.37, 26,612.37 and 7,881.72

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Solution

The fourth proportional to 17,735.37, 26,612.37 and 7,881.72 is: 11,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,735.37 : 26,612.37 = 7,881.72 : x
  2. Step 2: Convert to fraction form
    17,735.37/26,612.37 = 7,881.72/x
  3. Step 3: Cross multiply
    17,735.37x = 26,612.37 × 7,881.72
  4. Step 4: Simplify right side
    17,735.37x = 209,751,248.88
  5. Step 5: Solve for x
    x = 209,751,248.88/17,735.37
  6. Step 6: Final answer
    x = 11,826.72

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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.