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Finding the Fourth Proportional to 37,795.20, 56,692.80 and 12,841.80

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Solution

The fourth proportional to 37,795.20, 56,692.80 and 12,841.80 is: 19,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,795.20 : 56,692.80 = 12,841.80 : x
  2. Step 2: Convert to fraction form
    37,795.20/56,692.80 = 12,841.80/x
  3. Step 3: Cross multiply
    37,795.20x = 56,692.80 × 12,841.80
  4. Step 4: Simplify right side
    37,795.20x = 728,037,599.04
  5. Step 5: Solve for x
    x = 728,037,599.04/37,795.20
  6. Step 6: Final answer
    x = 19,262.70

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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.