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Finding the Fourth Proportional to 8,361.34, 12,543.23 and 4,463.62

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Solution

The fourth proportional to 8,361.34, 12,543.23 and 4,463.62 is: 6,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.34 : 12,543.23 = 4,463.62 : x
  2. Step 2: Convert to fraction form
    8,361.34/12,543.23 = 4,463.62/x
  3. Step 3: Cross multiply
    8,361.34x = 12,543.23 × 4,463.62
  4. Step 4: Simplify right side
    8,361.34x = 55,988,212.29
  5. Step 5: Solve for x
    x = 55,988,212.29/8,361.34
  6. Step 6: Final answer
    x = 6,696.08

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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.