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Finding the Fourth Proportional to 53,008.54, 79,522.54 and 17,471.96

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Solution

The fourth proportional to 53,008.54, 79,522.54 and 17,471.96 is: 26,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.54 : 79,522.54 = 17,471.96 : x
  2. Step 2: Convert to fraction form
    53,008.54/79,522.54 = 17,471.96/x
  3. Step 3: Cross multiply
    53,008.54x = 79,522.54 × 17,471.96
  4. Step 4: Simplify right side
    53,008.54x = 1,389,414,637.98
  5. Step 5: Solve for x
    x = 1,389,414,637.98/53,008.54
  6. Step 6: Final answer
    x = 26,211.15

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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.