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Finding the Fourth Proportional to 36,762.48, 50,741.24 and 20,856.24

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Solution

The fourth proportional to 36,762.48, 50,741.24 and 20,856.24 is: 28,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,762.48 : 50,741.24 = 20,856.24 : x
  2. Step 2: Convert to fraction form
    36,762.48/50,741.24 = 20,856.24/x
  3. Step 3: Cross multiply
    36,762.48x = 50,741.24 × 20,856.24
  4. Step 4: Simplify right side
    36,762.48x = 1,058,271,375.06
  5. Step 5: Solve for x
    x = 1,058,271,375.06/36,762.48
  6. Step 6: Final answer
    x = 28,786.72

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1.5x scale

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.