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Finding the Fourth Proportional to 30,958.70, 46,441.29 and 19,262.30

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Solution

The fourth proportional to 30,958.70, 46,441.29 and 19,262.30 is: 28,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.70 : 46,441.29 = 19,262.30 : x
  2. Step 2: Convert to fraction form
    30,958.70/46,441.29 = 19,262.30/x
  3. Step 3: Cross multiply
    30,958.70x = 46,441.29 × 19,262.30
  4. Step 4: Simplify right side
    30,958.70x = 894,566,060.37
  5. Step 5: Solve for x
    x = 894,566,060.37/30,958.70
  6. Step 6: Final answer
    x = 28,895.47

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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.