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Finding the Fourth Proportional to 53,902.79, 80,866.48 and 16,468.18

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Solution

The fourth proportional to 53,902.79, 80,866.48 and 16,468.18 is: 24,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902.79 : 80,866.48 = 16,468.18 : x
  2. Step 2: Convert to fraction form
    53,902.79/80,866.48 = 16,468.18/x
  3. Step 3: Cross multiply
    53,902.79x = 80,866.48 × 16,468.18
  4. Step 4: Simplify right side
    53,902.79x = 1,331,723,870.27
  5. Step 5: Solve for x
    x = 1,331,723,870.27/53,902.79
  6. Step 6: Final answer
    x = 24,706.03

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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.