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Finding the Fourth Proportional to 8,385.01, 12,576.12 and 2,838.22

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Solution

The fourth proportional to 8,385.01, 12,576.12 and 2,838.22 is: 4,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.01 : 12,576.12 = 2,838.22 : x
  2. Step 2: Convert to fraction form
    8,385.01/12,576.12 = 2,838.22/x
  3. Step 3: Cross multiply
    8,385.01x = 12,576.12 × 2,838.22
  4. Step 4: Simplify right side
    8,385.01x = 35,693,795.31
  5. Step 5: Solve for x
    x = 35,693,795.31/8,385.01
  6. Step 6: Final answer
    x = 4,256.86

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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.