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Finding the Fourth Proportional to 65,347.61, 98,022.02 and 18,600.48

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Solution

The fourth proportional to 65,347.61, 98,022.02 and 18,600.48 is: 27,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,347.61 : 98,022.02 = 18,600.48 : x
  2. Step 2: Convert to fraction form
    65,347.61/98,022.02 = 18,600.48/x
  3. Step 3: Cross multiply
    65,347.61x = 98,022.02 × 18,600.48
  4. Step 4: Simplify right side
    65,347.61x = 1,823,256,529.57
  5. Step 5: Solve for x
    x = 1,823,256,529.57/65,347.61
  6. Step 6: Final answer
    x = 27,900.89

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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.