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Finding the Fourth Proportional to 57,668.36, 79,590.28 and 33,804.56

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Solution

The fourth proportional to 57,668.36, 79,590.28 and 33,804.56 is: 46,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,668.36 : 79,590.28 = 33,804.56 : x
  2. Step 2: Convert to fraction form
    57,668.36/79,590.28 = 33,804.56/x
  3. Step 3: Cross multiply
    57,668.36x = 79,590.28 × 33,804.56
  4. Step 4: Simplify right side
    57,668.36x = 2,690,513,913.21
  5. Step 5: Solve for x
    x = 2,690,513,913.21/57,668.36
  6. Step 6: Final answer
    x = 46,654.94

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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.