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Finding the Fourth Proportional to 30,767.98, 46,151.96 and 7,394.42

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Solution

The fourth proportional to 30,767.98, 46,151.96 and 7,394.42 is: 11,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767.98 : 46,151.96 = 7,394.42 : x
  2. Step 2: Convert to fraction form
    30,767.98/46,151.96 = 7,394.42/x
  3. Step 3: Cross multiply
    30,767.98x = 46,151.96 × 7,394.42
  4. Step 4: Simplify right side
    30,767.98x = 341,266,763.79
  5. Step 5: Solve for x
    x = 341,266,763.79/30,767.98
  6. Step 6: Final answer
    x = 11,091.62

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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.