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Finding the Fourth Proportional to 67,326, 92,909.37 and 37,111.32

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Solution

The fourth proportional to 67,326, 92,909.37 and 37,111.32 is: 51,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,326 : 92,909.37 = 37,111.32 : x
  2. Step 2: Convert to fraction form
    67,326/92,909.37 = 37,111.32/x
  3. Step 3: Cross multiply
    67,326x = 92,909.37 × 37,111.32
  4. Step 4: Simplify right side
    67,326x = 3,447,989,361.07
  5. Step 5: Solve for x
    x = 3,447,989,361.07/67,326
  6. Step 6: Final answer
    x = 51,213.34

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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.