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Finding the Fourth Proportional to 45,603.80, 68,412.54 and 16,016.42

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Solution

The fourth proportional to 45,603.80, 68,412.54 and 16,016.42 is: 24,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,603.80 : 68,412.54 = 16,016.42 : x
  2. Step 2: Convert to fraction form
    45,603.80/68,412.54 = 16,016.42/x
  3. Step 3: Cross multiply
    45,603.80x = 68,412.54 × 16,016.42
  4. Step 4: Simplify right side
    45,603.80x = 1,095,723,973.91
  5. Step 5: Solve for x
    x = 1,095,723,973.91/45,603.80
  6. Step 6: Final answer
    x = 24,027.03

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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.