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Finding the Fourth Proportional to 23,420.34, 35,132.34 and 6,780.62

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Solution

The fourth proportional to 23,420.34, 35,132.34 and 6,780.62 is: 10,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.34 : 35,132.34 = 6,780.62 : x
  2. Step 2: Convert to fraction form
    23,420.34/35,132.34 = 6,780.62/x
  3. Step 3: Cross multiply
    23,420.34x = 35,132.34 × 6,780.62
  4. Step 4: Simplify right side
    23,420.34x = 238,219,047.25
  5. Step 5: Solve for x
    x = 238,219,047.25/23,420.34
  6. Step 6: Final answer
    x = 10,171.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.