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Finding the Fourth Proportional to 34,692.26, 47,875.30 and 19,788.26

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Solution

The fourth proportional to 34,692.26, 47,875.30 and 19,788.26 is: 27,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,692.26 : 47,875.30 = 19,788.26 : x
  2. Step 2: Convert to fraction form
    34,692.26/47,875.30 = 19,788.26/x
  3. Step 3: Cross multiply
    34,692.26x = 47,875.30 × 19,788.26
  4. Step 4: Simplify right side
    34,692.26x = 947,368,883.98
  5. Step 5: Solve for x
    x = 947,368,883.98/34,692.26
  6. Step 6: Final answer
    x = 27,307.79

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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.