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Finding the Fourth Proportional to 66,829.44, 92,224.62 and 36,615.90

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Solution

The fourth proportional to 66,829.44, 92,224.62 and 36,615.90 is: 50,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829.44 : 92,224.62 = 36,615.90 : x
  2. Step 2: Convert to fraction form
    66,829.44/92,224.62 = 36,615.90/x
  3. Step 3: Cross multiply
    66,829.44x = 92,224.62 × 36,615.90
  4. Step 4: Simplify right side
    66,829.44x = 3,376,887,463.46
  5. Step 5: Solve for x
    x = 3,376,887,463.46/66,829.44
  6. Step 6: Final answer
    x = 50,529.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.