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Finding the Fourth Proportional to 59,813.84, 89,721.12 and 18,260.84

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Solution

The fourth proportional to 59,813.84, 89,721.12 and 18,260.84 is: 27,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,813.84 : 89,721.12 = 18,260.84 : x
  2. Step 2: Convert to fraction form
    59,813.84/89,721.12 = 18,260.84/x
  3. Step 3: Cross multiply
    59,813.84x = 89,721.12 × 18,260.84
  4. Step 4: Simplify right side
    59,813.84x = 1,638,383,016.94
  5. Step 5: Solve for x
    x = 1,638,383,016.94/59,813.84
  6. Step 6: Final answer
    x = 27,391.37

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1.5x scale

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.