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Finding the Fourth Proportional to 25,127.88, 37,692.94 and 8,486.44

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Solution

The fourth proportional to 25,127.88, 37,692.94 and 8,486.44 is: 12,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.88 : 37,692.94 = 8,486.44 : x
  2. Step 2: Convert to fraction form
    25,127.88/37,692.94 = 8,486.44/x
  3. Step 3: Cross multiply
    25,127.88x = 37,692.94 × 8,486.44
  4. Step 4: Simplify right side
    25,127.88x = 319,878,873.73
  5. Step 5: Solve for x
    x = 319,878,873.73/25,127.88
  6. Step 6: Final answer
    x = 12,730.04

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1.5x scale

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.