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Finding the Fourth Proportional to 67,419, 93,038.26 and 37,611

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Solution

The fourth proportional to 67,419, 93,038.26 and 37,611 is: 51,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,419 : 93,038.26 = 37,611 : x
  2. Step 2: Convert to fraction form
    67,419/93,038.26 = 37,611/x
  3. Step 3: Cross multiply
    67,419x = 93,038.26 × 37,611
  4. Step 4: Simplify right side
    67,419x = 3,499,261,996.86
  5. Step 5: Solve for x
    x = 3,499,261,996.86/67,419
  6. Step 6: Final answer
    x = 51,903.20

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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.