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Finding the Fourth Proportional to 34,991.68, 52,503.02 and 18,347.75

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Solution

The fourth proportional to 34,991.68, 52,503.02 and 18,347.75 is: 27,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,991.68 : 52,503.02 = 18,347.75 : x
  2. Step 2: Convert to fraction form
    34,991.68/52,503.02 = 18,347.75/x
  3. Step 3: Cross multiply
    34,991.68x = 52,503.02 × 18,347.75
  4. Step 4: Simplify right side
    34,991.68x = 963,312,418.14
  5. Step 5: Solve for x
    x = 963,312,418.14/34,991.68
  6. Step 6: Final answer
    x = 27,529.76

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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.