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Finding the Fourth Proportional to 32,604.40, 48,889.86 and 15,939.28

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Solution

The fourth proportional to 32,604.40, 48,889.86 and 15,939.28 is: 23,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,604.40 : 48,889.86 = 15,939.28 : x
  2. Step 2: Convert to fraction form
    32,604.40/48,889.86 = 15,939.28/x
  3. Step 3: Cross multiply
    32,604.40x = 48,889.86 × 15,939.28
  4. Step 4: Simplify right side
    32,604.40x = 779,269,167.70
  5. Step 5: Solve for x
    x = 779,269,167.70/32,604.40
  6. Step 6: Final answer
    x = 23,900.74

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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.