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Finding the Fourth Proportional to 53,265.94, 79,822.76 and 39,114.94

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Solution

The fourth proportional to 53,265.94, 79,822.76 and 39,114.94 is: 58,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,265.94 : 79,822.76 = 39,114.94 : x
  2. Step 2: Convert to fraction form
    53,265.94/79,822.76 = 39,114.94/x
  3. Step 3: Cross multiply
    53,265.94x = 79,822.76 × 39,114.94
  4. Step 4: Simplify right side
    53,265.94x = 3,122,262,468.03
  5. Step 5: Solve for x
    x = 3,122,262,468.03/53,265.94
  6. Step 6: Final answer
    x = 58,616.49

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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.