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Finding the Fourth Proportional to 33,186.60, 49,779.90 and 32,992.20

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Solution

The fourth proportional to 33,186.60, 49,779.90 and 32,992.20 is: 49,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,186.60 : 49,779.90 = 32,992.20 : x
  2. Step 2: Convert to fraction form
    33,186.60/49,779.90 = 32,992.20/x
  3. Step 3: Cross multiply
    33,186.60x = 49,779.90 × 32,992.20
  4. Step 4: Simplify right side
    33,186.60x = 1,642,348,416.78
  5. Step 5: Solve for x
    x = 1,642,348,416.78/33,186.60
  6. Step 6: Final answer
    x = 49,488.30

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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.