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Finding the Fourth Proportional to 65,583.73, 98,364.59 and 18,203.63

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Solution

The fourth proportional to 65,583.73, 98,364.59 and 18,203.63 is: 27,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,583.73 : 98,364.59 = 18,203.63 : x
  2. Step 2: Convert to fraction form
    65,583.73/98,364.59 = 18,203.63/x
  3. Step 3: Cross multiply
    65,583.73x = 98,364.59 × 18,203.63
  4. Step 4: Simplify right side
    65,583.73x = 1,790,592,756.36
  5. Step 5: Solve for x
    x = 1,790,592,756.36/65,583.73
  6. Step 6: Final answer
    x = 27,302.39

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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.