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Finding the Fourth Proportional to 62,795.60, 94,205.55 and 18,423.80

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Solution

The fourth proportional to 62,795.60, 94,205.55 and 18,423.80 is: 27,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,795.60 : 94,205.55 = 18,423.80 : x
  2. Step 2: Convert to fraction form
    62,795.60/94,205.55 = 18,423.80/x
  3. Step 3: Cross multiply
    62,795.60x = 94,205.55 × 18,423.80
  4. Step 4: Simplify right side
    62,795.60x = 1,735,624,212.09
  5. Step 5: Solve for x
    x = 1,735,624,212.09/62,795.60
  6. Step 6: Final answer
    x = 27,639.26

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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.