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Finding the Fourth Proportional to 62,403.84, 93,473.76 and 43,639.44

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Solution

The fourth proportional to 62,403.84, 93,473.76 and 43,639.44 is: 65,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,403.84 : 93,473.76 = 43,639.44 : x
  2. Step 2: Convert to fraction form
    62,403.84/93,473.76 = 43,639.44/x
  3. Step 3: Cross multiply
    62,403.84x = 93,473.76 × 43,639.44
  4. Step 4: Simplify right side
    62,403.84x = 4,079,142,541.09
  5. Step 5: Solve for x
    x = 4,079,142,541.09/62,403.84
  6. Step 6: Final answer
    x = 65,366.85

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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.