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Finding the Fourth Proportional to 66,818.70, 92,224.80 and 41,663.34

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Solution

The fourth proportional to 66,818.70, 92,224.80 and 41,663.34 is: 57,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818.70 : 92,224.80 = 41,663.34 : x
  2. Step 2: Convert to fraction form
    66,818.70/92,224.80 = 41,663.34/x
  3. Step 3: Cross multiply
    66,818.70x = 92,224.80 × 41,663.34
  4. Step 4: Simplify right side
    66,818.70x = 3,842,393,198.83
  5. Step 5: Solve for x
    x = 3,842,393,198.83/66,818.70
  6. Step 6: Final answer
    x = 57,504.76

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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.