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Finding the Fourth Proportional to 52,653.63, 78,984.53 and 17,593.41

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Solution

The fourth proportional to 52,653.63, 78,984.53 and 17,593.41 is: 26,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.63 : 78,984.53 = 17,593.41 : x
  2. Step 2: Convert to fraction form
    52,653.63/78,984.53 = 17,593.41/x
  3. Step 3: Cross multiply
    52,653.63x = 78,984.53 × 17,593.41
  4. Step 4: Simplify right side
    52,653.63x = 1,389,607,131.98
  5. Step 5: Solve for x
    x = 1,389,607,131.98/52,653.63
  6. Step 6: Final answer
    x = 26,391.48

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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.