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Finding the Fourth Proportional to 37,458.44, 51,692.64 and 20,691.44

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Solution

The fourth proportional to 37,458.44, 51,692.64 and 20,691.44 is: 28,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,458.44 : 51,692.64 = 20,691.44 : x
  2. Step 2: Convert to fraction form
    37,458.44/51,692.64 = 20,691.44/x
  3. Step 3: Cross multiply
    37,458.44x = 51,692.64 × 20,691.44
  4. Step 4: Simplify right side
    37,458.44x = 1,069,595,159.00
  5. Step 5: Solve for x
    x = 1,069,595,159.00/37,458.44
  6. Step 6: Final answer
    x = 28,554.18

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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.