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Finding the Fourth Proportional to 65,373.74, 98,060.61 and 18,626.75

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Solution

The fourth proportional to 65,373.74, 98,060.61 and 18,626.75 is: 27,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373.74 : 98,060.61 = 18,626.75 : x
  2. Step 2: Convert to fraction form
    65,373.74/98,060.61 = 18,626.75/x
  3. Step 3: Cross multiply
    65,373.74x = 98,060.61 × 18,626.75
  4. Step 4: Simplify right side
    65,373.74x = 1,826,550,467.32
  5. Step 5: Solve for x
    x = 1,826,550,467.32/65,373.74
  6. Step 6: Final answer
    x = 27,940.13

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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.