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Finding the Fourth Proportional to 59,912.52, 89,969.04 and 57,528.60

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Solution

The fourth proportional to 59,912.52, 89,969.04 and 57,528.60 is: 86,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,912.52 : 89,969.04 = 57,528.60 : x
  2. Step 2: Convert to fraction form
    59,912.52/89,969.04 = 57,528.60/x
  3. Step 3: Cross multiply
    59,912.52x = 89,969.04 × 57,528.60
  4. Step 4: Simplify right side
    59,912.52x = 5,175,792,914.54
  5. Step 5: Solve for x
    x = 5,175,792,914.54/59,912.52
  6. Step 6: Final answer
    x = 86,389.17

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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.