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Finding the Fourth Proportional to 44,955.88, 61,990.50 and 30,625

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Solution

The fourth proportional to 44,955.88, 61,990.50 and 30,625 is: 42,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,955.88 : 61,990.50 = 30,625 : x
  2. Step 2: Convert to fraction form
    44,955.88/61,990.50 = 30,625/x
  3. Step 3: Cross multiply
    44,955.88x = 61,990.50 × 30,625
  4. Step 4: Simplify right side
    44,955.88x = 1,898,459,062.50
  5. Step 5: Solve for x
    x = 1,898,459,062.50/44,955.88
  6. Step 6: Final answer
    x = 42,229.38

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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.