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Finding the Fourth Proportional to 16,509.08, 22,782.46 and 8,955.38

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Solution

The fourth proportional to 16,509.08, 22,782.46 and 8,955.38 is: 12,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,509.08 : 22,782.46 = 8,955.38 : x
  2. Step 2: Convert to fraction form
    16,509.08/22,782.46 = 8,955.38/x
  3. Step 3: Cross multiply
    16,509.08x = 22,782.46 × 8,955.38
  4. Step 4: Simplify right side
    16,509.08x = 204,025,586.63
  5. Step 5: Solve for x
    x = 204,025,586.63/16,509.08
  6. Step 6: Final answer
    x = 12,358.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.