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Finding the Fourth Proportional to 14,576.02, 20,115.84 and 8,606.08

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Solution

The fourth proportional to 14,576.02, 20,115.84 and 8,606.08 is: 11,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.02 : 20,115.84 = 8,606.08 : x
  2. Step 2: Convert to fraction form
    14,576.02/20,115.84 = 8,606.08/x
  3. Step 3: Cross multiply
    14,576.02x = 20,115.84 × 8,606.08
  4. Step 4: Simplify right side
    14,576.02x = 173,118,528.31
  5. Step 5: Solve for x
    x = 173,118,528.31/14,576.02
  6. Step 6: Final answer
    x = 11,876.94

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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.