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Finding the Fourth Proportional to 63,674.40, 95,511.60 and 48,912.15

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Solution

The fourth proportional to 63,674.40, 95,511.60 and 48,912.15 is: 73,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.40 : 95,511.60 = 48,912.15 : x
  2. Step 2: Convert to fraction form
    63,674.40/95,511.60 = 48,912.15/x
  3. Step 3: Cross multiply
    63,674.40x = 95,511.60 × 48,912.15
  4. Step 4: Simplify right side
    63,674.40x = 4,671,677,705.94
  5. Step 5: Solve for x
    x = 4,671,677,705.94/63,674.40
  6. Step 6: Final answer
    x = 73,368.23

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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.