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Finding the Fourth Proportional to 45,793.94, 68,700.71 and 14,203.31

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Solution

The fourth proportional to 45,793.94, 68,700.71 and 14,203.31 is: 21,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.94 : 68,700.71 = 14,203.31 : x
  2. Step 2: Convert to fraction form
    45,793.94/68,700.71 = 14,203.31/x
  3. Step 3: Cross multiply
    45,793.94x = 68,700.71 × 14,203.31
  4. Step 4: Simplify right side
    45,793.94x = 975,777,286.68
  5. Step 5: Solve for x
    x = 975,777,286.68/45,793.94
  6. Step 6: Final answer
    x = 21,308.00

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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.