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Finding the Fourth Proportional to 66,649.41, 99,953.93 and 35,042.44

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Solution

The fourth proportional to 66,649.41, 99,953.93 and 35,042.44 is: 52,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,649.41 : 99,953.93 = 35,042.44 : x
  2. Step 2: Convert to fraction form
    66,649.41/99,953.93 = 35,042.44/x
  3. Step 3: Cross multiply
    66,649.41x = 99,953.93 × 35,042.44
  4. Step 4: Simplify right side
    66,649.41x = 3,502,628,919.81
  5. Step 5: Solve for x
    x = 3,502,628,919.81/66,649.41
  6. Step 6: Final answer
    x = 52,553.04

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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.