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Finding the Fourth Proportional to 42,361.56, 63,545.04 and 11,196

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Solution

The fourth proportional to 42,361.56, 63,545.04 and 11,196 is: 16,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,361.56 : 63,545.04 = 11,196 : x
  2. Step 2: Convert to fraction form
    42,361.56/63,545.04 = 11,196/x
  3. Step 3: Cross multiply
    42,361.56x = 63,545.04 × 11,196
  4. Step 4: Simplify right side
    42,361.56x = 711,450,267.84
  5. Step 5: Solve for x
    x = 711,450,267.84/42,361.56
  6. Step 6: Final answer
    x = 16,794.71

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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.