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Finding the Fourth Proportional to 48,807.86, 73,232.73 and 15,530.63

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Solution

The fourth proportional to 48,807.86, 73,232.73 and 15,530.63 is: 23,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,807.86 : 73,232.73 = 15,530.63 : x
  2. Step 2: Convert to fraction form
    48,807.86/73,232.73 = 15,530.63/x
  3. Step 3: Cross multiply
    48,807.86x = 73,232.73 × 15,530.63
  4. Step 4: Simplify right side
    48,807.86x = 1,137,350,067.36
  5. Step 5: Solve for x
    x = 1,137,350,067.36/48,807.86
  6. Step 6: Final answer
    x = 23,302.60

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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.