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Finding the Fourth Proportional to 66,962.53, 100,469.13 and 35,371.32

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Solution

The fourth proportional to 66,962.53, 100,469.13 and 35,371.32 is: 53,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,962.53 : 100,469.13 = 35,371.32 : x
  2. Step 2: Convert to fraction form
    66,962.53/100,469.13 = 35,371.32/x
  3. Step 3: Cross multiply
    66,962.53x = 100,469.13 × 35,371.32
  4. Step 4: Simplify right side
    66,962.53x = 3,553,725,237.95
  5. Step 5: Solve for x
    x = 3,553,725,237.95/66,962.53
  6. Step 6: Final answer
    x = 53,070.35

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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.