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Finding the Fourth Proportional to 36,714.57, 50,664.12 and 20,798.67

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Solution

The fourth proportional to 36,714.57, 50,664.12 and 20,798.67 is: 28,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,714.57 : 50,664.12 = 20,798.67 : x
  2. Step 2: Convert to fraction form
    36,714.57/50,664.12 = 20,798.67/x
  3. Step 3: Cross multiply
    36,714.57x = 50,664.12 × 20,798.67
  4. Step 4: Simplify right side
    36,714.57x = 1,053,746,424.72
  5. Step 5: Solve for x
    x = 1,053,746,424.72/36,714.57
  6. Step 6: Final answer
    x = 28,701.05

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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.