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Finding the Fourth Proportional to 53,165.70, 79,748.55 and 33,191.10

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Solution

The fourth proportional to 53,165.70, 79,748.55 and 33,191.10 is: 49,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.70 : 79,748.55 = 33,191.10 : x
  2. Step 2: Convert to fraction form
    53,165.70/79,748.55 = 33,191.10/x
  3. Step 3: Cross multiply
    53,165.70x = 79,748.55 × 33,191.10
  4. Step 4: Simplify right side
    53,165.70x = 2,646,942,097.91
  5. Step 5: Solve for x
    x = 2,646,942,097.91/53,165.70
  6. Step 6: Final answer
    x = 49,786.65

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Similar ratio
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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.