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Finding the Fourth Proportional to 59,304.46, 81,815.52 and 38,880.94

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Solution

The fourth proportional to 59,304.46, 81,815.52 and 38,880.94 is: 53,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,304.46 : 81,815.52 = 38,880.94 : x
  2. Step 2: Convert to fraction form
    59,304.46/81,815.52 = 38,880.94/x
  3. Step 3: Cross multiply
    59,304.46x = 81,815.52 × 38,880.94
  4. Step 4: Simplify right side
    59,304.46x = 3,181,064,324.19
  5. Step 5: Solve for x
    x = 3,181,064,324.19/59,304.46
  6. Step 6: Final answer
    x = 53,639.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.