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Finding the Fourth Proportional to 29,608.32, 40,877.28 and 18,445.44

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Solution

The fourth proportional to 29,608.32, 40,877.28 and 18,445.44 is: 25,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,608.32 : 40,877.28 = 18,445.44 : x
  2. Step 2: Convert to fraction form
    29,608.32/40,877.28 = 18,445.44/x
  3. Step 3: Cross multiply
    29,608.32x = 40,877.28 × 18,445.44
  4. Step 4: Simplify right side
    29,608.32x = 753,999,415.60
  5. Step 5: Solve for x
    x = 753,999,415.60/29,608.32
  6. Step 6: Final answer
    x = 25,465.80

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