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Finding the Fourth Proportional to 66,955.26, 100,433.47 and 17,035.41

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Solution

The fourth proportional to 66,955.26, 100,433.47 and 17,035.41 is: 25,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955.26 : 100,433.47 = 17,035.41 : x
  2. Step 2: Convert to fraction form
    66,955.26/100,433.47 = 17,035.41/x
  3. Step 3: Cross multiply
    66,955.26x = 100,433.47 × 17,035.41
  4. Step 4: Simplify right side
    66,955.26x = 1,710,925,339.17
  5. Step 5: Solve for x
    x = 1,710,925,339.17/66,955.26
  6. Step 6: Final answer
    x = 25,553.26

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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.