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Finding the Fourth Proportional to 45,752.76, 68,615.10 and 17,670.60

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Solution

The fourth proportional to 45,752.76, 68,615.10 and 17,670.60 is: 26,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,752.76 : 68,615.10 = 17,670.60 : x
  2. Step 2: Convert to fraction form
    45,752.76/68,615.10 = 17,670.60/x
  3. Step 3: Cross multiply
    45,752.76x = 68,615.10 × 17,670.60
  4. Step 4: Simplify right side
    45,752.76x = 1,212,469,986.06
  5. Step 5: Solve for x
    x = 1,212,469,986.06/45,752.76
  6. Step 6: Final answer
    x = 26,500.48

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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.