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Finding the Fourth Proportional to 48,559.62, 72,802.08 and 43,614.12

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Solution

The fourth proportional to 48,559.62, 72,802.08 and 43,614.12 is: 65,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.62 : 72,802.08 = 43,614.12 : x
  2. Step 2: Convert to fraction form
    48,559.62/72,802.08 = 43,614.12/x
  3. Step 3: Cross multiply
    48,559.62x = 72,802.08 × 43,614.12
  4. Step 4: Simplify right side
    48,559.62x = 3,175,198,653.37
  5. Step 5: Solve for x
    x = 3,175,198,653.37/48,559.62
  6. Step 6: Final answer
    x = 65,387.63

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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.