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Finding the Fourth Proportional to 67,455, 93,088.26 and 37,647

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Solution

The fourth proportional to 67,455, 93,088.26 and 37,647 is: 51,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455 : 93,088.26 = 37,647 : x
  2. Step 2: Convert to fraction form
    67,455/93,088.26 = 37,647/x
  3. Step 3: Cross multiply
    67,455x = 93,088.26 × 37,647
  4. Step 4: Simplify right side
    67,455x = 3,504,493,724.22
  5. Step 5: Solve for x
    x = 3,504,493,724.22/67,455
  6. Step 6: Final answer
    x = 51,953.06

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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.