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Finding the Fourth Proportional to 36,642.76, 54,921.30 and 32,490.76

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Solution

The fourth proportional to 36,642.76, 54,921.30 and 32,490.76 is: 48,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,642.76 : 54,921.30 = 32,490.76 : x
  2. Step 2: Convert to fraction form
    36,642.76/54,921.30 = 32,490.76/x
  3. Step 3: Cross multiply
    36,642.76x = 54,921.30 × 32,490.76
  4. Step 4: Simplify right side
    36,642.76x = 1,784,434,777.19
  5. Step 5: Solve for x
    x = 1,784,434,777.19/36,642.76
  6. Step 6: Final answer
    x = 48,698.15

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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.