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Finding the Fourth Proportional to 52,707.71, 79,092.74 and 19,450.93

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Solution

The fourth proportional to 52,707.71, 79,092.74 and 19,450.93 is: 29,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,707.71 : 79,092.74 = 19,450.93 : x
  2. Step 2: Convert to fraction form
    52,707.71/79,092.74 = 19,450.93/x
  3. Step 3: Cross multiply
    52,707.71x = 79,092.74 × 19,450.93
  4. Step 4: Simplify right side
    52,707.71x = 1,538,427,200.14
  5. Step 5: Solve for x
    x = 1,538,427,200.14/52,707.71
  6. Step 6: Final answer
    x = 29,187.90

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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.