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Finding the Fourth Proportional to 15,364.92, 23,047.82 and 8,348.30

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Solution

The fourth proportional to 15,364.92, 23,047.82 and 8,348.30 is: 12,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.92 : 23,047.82 = 8,348.30 : x
  2. Step 2: Convert to fraction form
    15,364.92/23,047.82 = 8,348.30/x
  3. Step 3: Cross multiply
    15,364.92x = 23,047.82 × 8,348.30
  4. Step 4: Simplify right side
    15,364.92x = 192,410,115.71
  5. Step 5: Solve for x
    x = 192,410,115.71/15,364.92
  6. Step 6: Final answer
    x = 12,522.69

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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.