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Finding the Fourth Proportional to 45,703.80, 68,530.23 and 14,104.89

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Solution

The fourth proportional to 45,703.80, 68,530.23 and 14,104.89 is: 21,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.80 : 68,530.23 = 14,104.89 : x
  2. Step 2: Convert to fraction form
    45,703.80/68,530.23 = 14,104.89/x
  3. Step 3: Cross multiply
    45,703.80x = 68,530.23 × 14,104.89
  4. Step 4: Simplify right side
    45,703.80x = 966,611,355.82
  5. Step 5: Solve for x
    x = 966,611,355.82/45,703.80
  6. Step 6: Final answer
    x = 21,149.47

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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.