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Finding the Fourth Proportional to 48,653.87, 72,838.56 and 43,984.58

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Solution

The fourth proportional to 48,653.87, 72,838.56 and 43,984.58 is: 65,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,653.87 : 72,838.56 = 43,984.58 : x
  2. Step 2: Convert to fraction form
    48,653.87/72,838.56 = 43,984.58/x
  3. Step 3: Cross multiply
    48,653.87x = 72,838.56 × 43,984.58
  4. Step 4: Simplify right side
    48,653.87x = 3,203,773,469.40
  5. Step 5: Solve for x
    x = 3,203,773,469.40/48,653.87
  6. Step 6: Final answer
    x = 65,848.28

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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.