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Finding the Fourth Proportional to 8,397.42, 12,576.97 and 4,017.97

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Solution

The fourth proportional to 8,397.42, 12,576.97 and 4,017.97 is: 6,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.42 : 12,576.97 = 4,017.97 : x
  2. Step 2: Convert to fraction form
    8,397.42/12,576.97 = 4,017.97/x
  3. Step 3: Cross multiply
    8,397.42x = 12,576.97 × 4,017.97
  4. Step 4: Simplify right side
    8,397.42x = 50,533,888.15
  5. Step 5: Solve for x
    x = 50,533,888.15/8,397.42
  6. Step 6: Final answer
    x = 6,017.79

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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.