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Finding the Fourth Proportional to 8,304.68, 12,450.47 and 4,142.55

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Solution

The fourth proportional to 8,304.68, 12,450.47 and 4,142.55 is: 6,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.68 : 12,450.47 = 4,142.55 : x
  2. Step 2: Convert to fraction form
    8,304.68/12,450.47 = 4,142.55/x
  3. Step 3: Cross multiply
    8,304.68x = 12,450.47 × 4,142.55
  4. Step 4: Simplify right side
    8,304.68x = 51,576,673.79
  5. Step 5: Solve for x
    x = 51,576,673.79/8,304.68
  6. Step 6: Final answer
    x = 6,210.56

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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.