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Finding the Fourth Proportional to 33,188.76, 45,796.53 and 18,848.50

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Solution

The fourth proportional to 33,188.76, 45,796.53 and 18,848.50 is: 26,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,188.76 : 45,796.53 = 18,848.50 : x
  2. Step 2: Convert to fraction form
    33,188.76/45,796.53 = 18,848.50/x
  3. Step 3: Cross multiply
    33,188.76x = 45,796.53 × 18,848.50
  4. Step 4: Simplify right side
    33,188.76x = 863,195,851.90
  5. Step 5: Solve for x
    x = 863,195,851.90/33,188.76
  6. Step 6: Final answer
    x = 26,008.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.