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Finding the Fourth Proportional to 52,943.80, 79,448.60 and 32,992.45

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Solution

The fourth proportional to 52,943.80, 79,448.60 and 32,992.45 is: 49,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,943.80 : 79,448.60 = 32,992.45 : x
  2. Step 2: Convert to fraction form
    52,943.80/79,448.60 = 32,992.45/x
  3. Step 3: Cross multiply
    52,943.80x = 79,448.60 × 32,992.45
  4. Step 4: Simplify right side
    52,943.80x = 2,621,203,963.07
  5. Step 5: Solve for x
    x = 2,621,203,963.07/52,943.80
  6. Step 6: Final answer
    x = 49,509.18

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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.