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Finding the Fourth Proportional to 62,969.63, 94,461.35 and 20,834.33

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Solution

The fourth proportional to 62,969.63, 94,461.35 and 20,834.33 is: 31,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.63 : 94,461.35 = 20,834.33 : x
  2. Step 2: Convert to fraction form
    62,969.63/94,461.35 = 20,834.33/x
  3. Step 3: Cross multiply
    62,969.63x = 94,461.35 × 20,834.33
  4. Step 4: Simplify right side
    62,969.63x = 1,968,038,361.67
  5. Step 5: Solve for x
    x = 1,968,038,361.67/62,969.63
  6. Step 6: Final answer
    x = 31,253.77

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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.