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Finding the Fourth Proportional to 9,998.10, 14,974.34 and 8,576.55

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Solution

The fourth proportional to 9,998.10, 14,974.34 and 8,576.55 is: 12,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.10 : 14,974.34 = 8,576.55 : x
  2. Step 2: Convert to fraction form
    9,998.10/14,974.34 = 8,576.55/x
  3. Step 3: Cross multiply
    9,998.10x = 14,974.34 × 8,576.55
  4. Step 4: Simplify right side
    9,998.10x = 128,428,132.84
  5. Step 5: Solve for x
    x = 128,428,132.84/9,998.10
  6. Step 6: Final answer
    x = 12,845.25

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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.