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Finding the Fourth Proportional to 62,993.10, 86,928.36 and 34,698.72

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Solution

The fourth proportional to 62,993.10, 86,928.36 and 34,698.72 is: 47,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,993.10 : 86,928.36 = 34,698.72 : x
  2. Step 2: Convert to fraction form
    62,993.10/86,928.36 = 34,698.72/x
  3. Step 3: Cross multiply
    62,993.10x = 86,928.36 × 34,698.72
  4. Step 4: Simplify right side
    62,993.10x = 3,016,302,823.70
  5. Step 5: Solve for x
    x = 3,016,302,823.70/62,993.10
  6. Step 6: Final answer
    x = 47,883.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.