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Finding the Fourth Proportional to 59,838.84, 89,758.26 and 18,285.48

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Solution

The fourth proportional to 59,838.84, 89,758.26 and 18,285.48 is: 27,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,838.84 : 89,758.26 = 18,285.48 : x
  2. Step 2: Convert to fraction form
    59,838.84/89,758.26 = 18,285.48/x
  3. Step 3: Cross multiply
    59,838.84x = 89,758.26 × 18,285.48
  4. Step 4: Simplify right side
    59,838.84x = 1,641,272,868.06
  5. Step 5: Solve for x
    x = 1,641,272,868.06/59,838.84
  6. Step 6: Final answer
    x = 27,428.22

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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.