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Finding the Fourth Proportional to 34,953.50, 52,412.43 and 11,571.50

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Solution

The fourth proportional to 34,953.50, 52,412.43 and 11,571.50 is: 17,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,953.50 : 52,412.43 = 11,571.50 : x
  2. Step 2: Convert to fraction form
    34,953.50/52,412.43 = 11,571.50/x
  3. Step 3: Cross multiply
    34,953.50x = 52,412.43 × 11,571.50
  4. Step 4: Simplify right side
    34,953.50x = 606,490,433.75
  5. Step 5: Solve for x
    x = 606,490,433.75/34,953.50
  6. Step 6: Final answer
    x = 17,351.35

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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.