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Finding the Fourth Proportional to 45,793.97, 68,700.81 and 14,203.40

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Solution

The fourth proportional to 45,793.97, 68,700.81 and 14,203.40 is: 21,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.97 : 68,700.81 = 14,203.40 : x
  2. Step 2: Convert to fraction form
    45,793.97/68,700.81 = 14,203.40/x
  3. Step 3: Cross multiply
    45,793.97x = 68,700.81 × 14,203.40
  4. Step 4: Simplify right side
    45,793.97x = 975,784,741.25
  5. Step 5: Solve for x
    x = 975,784,741.25/45,793.97
  6. Step 6: Final answer
    x = 21,308.15

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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.