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Finding the Fourth Proportional to 62,792.84, 94,178.80 and 20,673.40

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Solution

The fourth proportional to 62,792.84, 94,178.80 and 20,673.40 is: 31,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,792.84 : 94,178.80 = 20,673.40 : x
  2. Step 2: Convert to fraction form
    62,792.84/94,178.80 = 20,673.40/x
  3. Step 3: Cross multiply
    62,792.84x = 94,178.80 × 20,673.40
  4. Step 4: Simplify right side
    62,792.84x = 1,946,996,003.92
  5. Step 5: Solve for x
    x = 1,946,996,003.92/62,792.84
  6. Step 6: Final answer
    x = 31,006.66

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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.