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Finding the Fourth Proportional to 37,778.88, 56,675.88 and 21,162.54

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Solution

The fourth proportional to 37,778.88, 56,675.88 and 21,162.54 is: 31,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,778.88 : 56,675.88 = 21,162.54 : x
  2. Step 2: Convert to fraction form
    37,778.88/56,675.88 = 21,162.54/x
  3. Step 3: Cross multiply
    37,778.88x = 56,675.88 × 21,162.54
  4. Step 4: Simplify right side
    37,778.88x = 1,199,405,577.54
  5. Step 5: Solve for x
    x = 1,199,405,577.54/37,778.88
  6. Step 6: Final answer
    x = 31,748.04

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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.