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Finding the Fourth Proportional to 48,410.30, 72,619.07 and 13,349.63

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Solution

The fourth proportional to 48,410.30, 72,619.07 and 13,349.63 is: 20,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,410.30 : 72,619.07 = 13,349.63 : x
  2. Step 2: Convert to fraction form
    48,410.30/72,619.07 = 13,349.63/x
  3. Step 3: Cross multiply
    48,410.30x = 72,619.07 × 13,349.63
  4. Step 4: Simplify right side
    48,410.30x = 969,437,715.44
  5. Step 5: Solve for x
    x = 969,437,715.44/48,410.30
  6. Step 6: Final answer
    x = 20,025.44

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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.