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Finding the Fourth Proportional to 32,388.44, 48,472.93 and 19,916.36

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Solution

The fourth proportional to 32,388.44, 48,472.93 and 19,916.36 is: 29,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.44 : 48,472.93 = 19,916.36 : x
  2. Step 2: Convert to fraction form
    32,388.44/48,472.93 = 19,916.36/x
  3. Step 3: Cross multiply
    32,388.44x = 48,472.93 × 19,916.36
  4. Step 4: Simplify right side
    32,388.44x = 965,404,561.10
  5. Step 5: Solve for x
    x = 965,404,561.10/32,388.44
  6. Step 6: Final answer
    x = 29,807.07

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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.