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Finding the Fourth Proportional to 62,800.80, 94,172.40 and 27,722.40

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Solution

The fourth proportional to 62,800.80, 94,172.40 and 27,722.40 is: 41,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,800.80 : 94,172.40 = 27,722.40 : x
  2. Step 2: Convert to fraction form
    62,800.80/94,172.40 = 27,722.40/x
  3. Step 3: Cross multiply
    62,800.80x = 94,172.40 × 27,722.40
  4. Step 4: Simplify right side
    62,800.80x = 2,610,684,941.76
  5. Step 5: Solve for x
    x = 2,610,684,941.76/62,800.80
  6. Step 6: Final answer
    x = 41,570.89

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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.