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Finding the Fourth Proportional to 23,299.92, 34,959.12 and 8,509.80

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Solution

The fourth proportional to 23,299.92, 34,959.12 and 8,509.80 is: 12,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.92 : 34,959.12 = 8,509.80 : x
  2. Step 2: Convert to fraction form
    23,299.92/34,959.12 = 8,509.80/x
  3. Step 3: Cross multiply
    23,299.92x = 34,959.12 × 8,509.80
  4. Step 4: Simplify right side
    23,299.92x = 297,495,119.38
  5. Step 5: Solve for x
    x = 297,495,119.38/23,299.92
  6. Step 6: Final answer
    x = 12,768.07

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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.