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Finding the Fourth Proportional to 62,706.08, 94,072.08 and 21,152

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Solution

The fourth proportional to 62,706.08, 94,072.08 and 21,152 is: 31,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,706.08 : 94,072.08 = 21,152 : x
  2. Step 2: Convert to fraction form
    62,706.08/94,072.08 = 21,152/x
  3. Step 3: Cross multiply
    62,706.08x = 94,072.08 × 21,152
  4. Step 4: Simplify right side
    62,706.08x = 1,989,812,636.16
  5. Step 5: Solve for x
    x = 1,989,812,636.16/62,706.08
  6. Step 6: Final answer
    x = 31,732.37

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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.