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Finding the Fourth Proportional to 30,668.96, 46,003.44 and 19,794.08

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Solution

The fourth proportional to 30,668.96, 46,003.44 and 19,794.08 is: 29,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.96 : 46,003.44 = 19,794.08 : x
  2. Step 2: Convert to fraction form
    30,668.96/46,003.44 = 19,794.08/x
  3. Step 3: Cross multiply
    30,668.96x = 46,003.44 × 19,794.08
  4. Step 4: Simplify right side
    30,668.96x = 910,595,771.64
  5. Step 5: Solve for x
    x = 910,595,771.64/30,668.96
  6. Step 6: Final answer
    x = 29,691.12

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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.