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Finding the Fourth Proportional to 59,459.60, 89,065.20 and 27,896.60

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Solution

The fourth proportional to 59,459.60, 89,065.20 and 27,896.60 is: 41,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,459.60 : 89,065.20 = 27,896.60 : x
  2. Step 2: Convert to fraction form
    59,459.60/89,065.20 = 27,896.60/x
  3. Step 3: Cross multiply
    59,459.60x = 89,065.20 × 27,896.60
  4. Step 4: Simplify right side
    59,459.60x = 2,484,616,258.32
  5. Step 5: Solve for x
    x = 2,484,616,258.32/59,459.60
  6. Step 6: Final answer
    x = 41,786.63

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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.