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Finding the Fourth Proportional to 17,608.50, 26,412.90 and 4,460.88

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Solution

The fourth proportional to 17,608.50, 26,412.90 and 4,460.88 is: 6,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608.50 : 26,412.90 = 4,460.88 : x
  2. Step 2: Convert to fraction form
    17,608.50/26,412.90 = 4,460.88/x
  3. Step 3: Cross multiply
    17,608.50x = 26,412.90 × 4,460.88
  4. Step 4: Simplify right side
    17,608.50x = 117,824,777.35
  5. Step 5: Solve for x
    x = 117,824,777.35/17,608.50
  6. Step 6: Final answer
    x = 6,691.36

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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.