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Finding the Fourth Proportional to 48,366.81, 72,550.62 and 13,308.39

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Solution

The fourth proportional to 48,366.81, 72,550.62 and 13,308.39 is: 19,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,366.81 : 72,550.62 = 13,308.39 : x
  2. Step 2: Convert to fraction form
    48,366.81/72,550.62 = 13,308.39/x
  3. Step 3: Cross multiply
    48,366.81x = 72,550.62 × 13,308.39
  4. Step 4: Simplify right side
    48,366.81x = 965,531,945.70
  5. Step 5: Solve for x
    x = 965,531,945.70/48,366.81
  6. Step 6: Final answer
    x = 19,962.70

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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.