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Finding the Fourth Proportional to 65,891.80, 98,837.70 and 44,896.60

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Solution

The fourth proportional to 65,891.80, 98,837.70 and 44,896.60 is: 67,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,891.80 : 98,837.70 = 44,896.60 : x
  2. Step 2: Convert to fraction form
    65,891.80/98,837.70 = 44,896.60/x
  3. Step 3: Cross multiply
    65,891.80x = 98,837.70 × 44,896.60
  4. Step 4: Simplify right side
    65,891.80x = 4,437,476,681.82
  5. Step 5: Solve for x
    x = 4,437,476,681.82/65,891.80
  6. Step 6: Final answer
    x = 67,344.90

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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.