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Finding the Fourth Proportional to 37,751.29, 56,670.67 and 20,255.29

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Solution

The fourth proportional to 37,751.29, 56,670.67 and 20,255.29 is: 30,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,751.29 : 56,670.67 = 20,255.29 : x
  2. Step 2: Convert to fraction form
    37,751.29/56,670.67 = 20,255.29/x
  3. Step 3: Cross multiply
    37,751.29x = 56,670.67 × 20,255.29
  4. Step 4: Simplify right side
    37,751.29x = 1,147,880,855.34
  5. Step 5: Solve for x
    x = 1,147,880,855.34/37,751.29
  6. Step 6: Final answer
    x = 30,406.40

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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.