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Finding the Fourth Proportional to 32,087.64, 48,125.94 and 8,715.96

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Solution

The fourth proportional to 32,087.64, 48,125.94 and 8,715.96 is: 13,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,087.64 : 48,125.94 = 8,715.96 : x
  2. Step 2: Convert to fraction form
    32,087.64/48,125.94 = 8,715.96/x
  3. Step 3: Cross multiply
    32,087.64x = 48,125.94 × 8,715.96
  4. Step 4: Simplify right side
    32,087.64x = 419,463,768.00
  5. Step 5: Solve for x
    x = 419,463,768.00/32,087.64
  6. Step 6: Final answer
    x = 13,072.44

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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.