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Finding the Fourth Proportional to 30,690.72, 46,024.80 and 10,963.92

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Solution

The fourth proportional to 30,690.72, 46,024.80 and 10,963.92 is: 16,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.72 : 46,024.80 = 10,963.92 : x
  2. Step 2: Convert to fraction form
    30,690.72/46,024.80 = 10,963.92/x
  3. Step 3: Cross multiply
    30,690.72x = 46,024.80 × 10,963.92
  4. Step 4: Simplify right side
    30,690.72x = 504,612,225.22
  5. Step 5: Solve for x
    x = 504,612,225.22/30,690.72
  6. Step 6: Final answer
    x = 16,441.85

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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.