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Finding the Fourth Proportional to 48,804.96, 73,157.16 and 19,210.80

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Solution

The fourth proportional to 48,804.96, 73,157.16 and 19,210.80 is: 28,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,804.96 : 73,157.16 = 19,210.80 : x
  2. Step 2: Convert to fraction form
    48,804.96/73,157.16 = 19,210.80/x
  3. Step 3: Cross multiply
    48,804.96x = 73,157.16 × 19,210.80
  4. Step 4: Simplify right side
    48,804.96x = 1,405,407,569.33
  5. Step 5: Solve for x
    x = 1,405,407,569.33/48,804.96
  6. Step 6: Final answer
    x = 28,796.41

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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.