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Finding the Fourth Proportional to 23,820.66, 35,730.38 and 6,290.64

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Solution

The fourth proportional to 23,820.66, 35,730.38 and 6,290.64 is: 9,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.66 : 35,730.38 = 6,290.64 : x
  2. Step 2: Convert to fraction form
    23,820.66/35,730.38 = 6,290.64/x
  3. Step 3: Cross multiply
    23,820.66x = 35,730.38 × 6,290.64
  4. Step 4: Simplify right side
    23,820.66x = 224,766,957.64
  5. Step 5: Solve for x
    x = 224,766,957.64/23,820.66
  6. Step 6: Final answer
    x = 9,435.80

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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.