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Finding the Fourth Proportional to 45,394.98, 68,094.63 and 14,230.50

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Solution

The fourth proportional to 45,394.98, 68,094.63 and 14,230.50 is: 21,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,394.98 : 68,094.63 = 14,230.50 : x
  2. Step 2: Convert to fraction form
    45,394.98/68,094.63 = 14,230.50/x
  3. Step 3: Cross multiply
    45,394.98x = 68,094.63 × 14,230.50
  4. Step 4: Simplify right side
    45,394.98x = 969,020,632.22
  5. Step 5: Solve for x
    x = 969,020,632.22/45,394.98
  6. Step 6: Final answer
    x = 21,346.43

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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.