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Finding the Fourth Proportional to 45,657.30, 68,601.15 and 29,025.30

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Solution

The fourth proportional to 45,657.30, 68,601.15 and 29,025.30 is: 43,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,657.30 : 68,601.15 = 29,025.30 : x
  2. Step 2: Convert to fraction form
    45,657.30/68,601.15 = 29,025.30/x
  3. Step 3: Cross multiply
    45,657.30x = 68,601.15 × 29,025.30
  4. Step 4: Simplify right side
    45,657.30x = 1,991,168,959.10
  5. Step 5: Solve for x
    x = 1,991,168,959.10/45,657.30
  6. Step 6: Final answer
    x = 43,611.19

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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.