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Finding the Fourth Proportional to 66,803.88, 92,204.48 and 41,648.52

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Solution

The fourth proportional to 66,803.88, 92,204.48 and 41,648.52 is: 57,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.88 : 92,204.48 = 41,648.52 : x
  2. Step 2: Convert to fraction form
    66,803.88/92,204.48 = 41,648.52/x
  3. Step 3: Cross multiply
    66,803.88x = 92,204.48 × 41,648.52
  4. Step 4: Simplify right side
    66,803.88x = 3,840,180,129.37
  5. Step 5: Solve for x
    x = 3,840,180,129.37/66,803.88
  6. Step 6: Final answer
    x = 57,484.39

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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.