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Finding the Fourth Proportional to 66,927.10, 100,237.40 and 33,656.62

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Solution

The fourth proportional to 66,927.10, 100,237.40 and 33,656.62 is: 50,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.10 : 100,237.40 = 33,656.62 : x
  2. Step 2: Convert to fraction form
    66,927.10/100,237.40 = 33,656.62/x
  3. Step 3: Cross multiply
    66,927.10x = 100,237.40 × 33,656.62
  4. Step 4: Simplify right side
    66,927.10x = 3,373,652,081.59
  5. Step 5: Solve for x
    x = 3,373,652,081.59/66,927.10
  6. Step 6: Final answer
    x = 50,407.86

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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.