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Finding the Fourth Proportional to 31,264.38, 46,890.84 and 8,468.67

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Solution

The fourth proportional to 31,264.38, 46,890.84 and 8,468.67 is: 12,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.38 : 46,890.84 = 8,468.67 : x
  2. Step 2: Convert to fraction form
    31,264.38/46,890.84 = 8,468.67/x
  3. Step 3: Cross multiply
    31,264.38x = 46,890.84 × 8,468.67
  4. Step 4: Simplify right side
    31,264.38x = 397,103,049.98
  5. Step 5: Solve for x
    x = 397,103,049.98/31,264.38
  6. Step 6: Final answer
    x = 12,701.45

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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.