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Finding the Fourth Proportional to 30,044.84, 45,074.94 and 13,625

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Solution

The fourth proportional to 30,044.84, 45,074.94 and 13,625 is: 20,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.84 : 45,074.94 = 13,625 : x
  2. Step 2: Convert to fraction form
    30,044.84/45,074.94 = 13,625/x
  3. Step 3: Cross multiply
    30,044.84x = 45,074.94 × 13,625
  4. Step 4: Simplify right side
    30,044.84x = 614,146,057.50
  5. Step 5: Solve for x
    x = 614,146,057.50/30,044.84
  6. Step 6: Final answer
    x = 20,440.98

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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.