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Finding the Fourth Proportional to 32,649.40, 48,972.04 and 19,491.87

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Solution

The fourth proportional to 32,649.40, 48,972.04 and 19,491.87 is: 29,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.40 : 48,972.04 = 19,491.87 : x
  2. Step 2: Convert to fraction form
    32,649.40/48,972.04 = 19,491.87/x
  3. Step 3: Cross multiply
    32,649.40x = 48,972.04 × 19,491.87
  4. Step 4: Simplify right side
    32,649.40x = 954,556,637.31
  5. Step 5: Solve for x
    x = 954,556,637.31/32,649.40
  6. Step 6: Final answer
    x = 29,236.58

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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.