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Finding the Fourth Proportional to 52,561.53, 78,843.11 and 17,501.22

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Solution

The fourth proportional to 52,561.53, 78,843.11 and 17,501.22 is: 26,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,561.53 : 78,843.11 = 17,501.22 : x
  2. Step 2: Convert to fraction form
    52,561.53/78,843.11 = 17,501.22/x
  3. Step 3: Cross multiply
    52,561.53x = 78,843.11 × 17,501.22
  4. Step 4: Simplify right side
    52,561.53x = 1,379,850,526.09
  5. Step 5: Solve for x
    x = 1,379,850,526.09/52,561.53
  6. Step 6: Final answer
    x = 26,252.10

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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.