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Finding the Fourth Proportional to 48,880.86, 73,303.05 and 19,288.86

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Solution

The fourth proportional to 48,880.86, 73,303.05 and 19,288.86 is: 28,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,880.86 : 73,303.05 = 19,288.86 : x
  2. Step 2: Convert to fraction form
    48,880.86/73,303.05 = 19,288.86/x
  3. Step 3: Cross multiply
    48,880.86x = 73,303.05 × 19,288.86
  4. Step 4: Simplify right side
    48,880.86x = 1,413,932,269.02
  5. Step 5: Solve for x
    x = 1,413,932,269.02/48,880.86
  6. Step 6: Final answer
    x = 28,926.09

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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.