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Finding the Fourth Proportional to 35,284.59, 48,692.88 and 19,369.31

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Solution

The fourth proportional to 35,284.59, 48,692.88 and 19,369.31 is: 26,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.59 : 48,692.88 = 19,369.31 : x
  2. Step 2: Convert to fraction form
    35,284.59/48,692.88 = 19,369.31/x
  3. Step 3: Cross multiply
    35,284.59x = 48,692.88 × 19,369.31
  4. Step 4: Simplify right side
    35,284.59x = 943,147,244.05
  5. Step 5: Solve for x
    x = 943,147,244.05/35,284.59
  6. Step 6: Final answer
    x = 26,729.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.