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Finding the Fourth Proportional to 36,495.30, 54,742.41 and 19,851.42

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Solution

The fourth proportional to 36,495.30, 54,742.41 and 19,851.42 is: 29,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,495.30 : 54,742.41 = 19,851.42 : x
  2. Step 2: Convert to fraction form
    36,495.30/54,742.41 = 19,851.42/x
  3. Step 3: Cross multiply
    36,495.30x = 54,742.41 × 19,851.42
  4. Step 4: Simplify right side
    36,495.30x = 1,086,714,572.72
  5. Step 5: Solve for x
    x = 1,086,714,572.72/36,495.30
  6. Step 6: Final answer
    x = 29,776.84

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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.