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Finding the Fourth Proportional to 29,611.89, 44,424.81 and 9,621.32

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Solution

The fourth proportional to 29,611.89, 44,424.81 and 9,621.32 is: 14,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,611.89 : 44,424.81 = 9,621.32 : x
  2. Step 2: Convert to fraction form
    29,611.89/44,424.81 = 9,621.32/x
  3. Step 3: Cross multiply
    29,611.89x = 44,424.81 × 9,621.32
  4. Step 4: Simplify right side
    29,611.89x = 427,425,090.83
  5. Step 5: Solve for x
    x = 427,425,090.83/29,611.89
  6. Step 6: Final answer
    x = 14,434.24

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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.