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Finding the Fourth Proportional to 66,702.37, 100,053.75 and 27,259.49

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Solution

The fourth proportional to 66,702.37, 100,053.75 and 27,259.49 is: 40,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,702.37 : 100,053.75 = 27,259.49 : x
  2. Step 2: Convert to fraction form
    66,702.37/100,053.75 = 27,259.49/x
  3. Step 3: Cross multiply
    66,702.37x = 100,053.75 × 27,259.49
  4. Step 4: Simplify right side
    66,702.37x = 2,727,414,197.59
  5. Step 5: Solve for x
    x = 2,727,414,197.59/66,702.37
  6. Step 6: Final answer
    x = 40,889.31

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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.