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Finding the Fourth Proportional to 52,795.40, 79,171.83 and 19,051.81

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Solution

The fourth proportional to 52,795.40, 79,171.83 and 19,051.81 is: 28,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,795.40 : 79,171.83 = 19,051.81 : x
  2. Step 2: Convert to fraction form
    52,795.40/79,171.83 = 19,051.81/x
  3. Step 3: Cross multiply
    52,795.40x = 79,171.83 × 19,051.81
  4. Step 4: Simplify right side
    52,795.40x = 1,508,366,464.58
  5. Step 5: Solve for x
    x = 1,508,366,464.58/52,795.40
  6. Step 6: Final answer
    x = 28,570.04

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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.