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Finding the Fourth Proportional to 8,304.94, 12,457.45 and 2,148.94

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Solution

The fourth proportional to 8,304.94, 12,457.45 and 2,148.94 is: 3,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.94 : 12,457.45 = 2,148.94 : x
  2. Step 2: Convert to fraction form
    8,304.94/12,457.45 = 2,148.94/x
  3. Step 3: Cross multiply
    8,304.94x = 12,457.45 × 2,148.94
  4. Step 4: Simplify right side
    8,304.94x = 26,770,284.15
  5. Step 5: Solve for x
    x = 26,770,284.15/8,304.94
  6. Step 6: Final answer
    x = 3,223.42

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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.