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Finding the Fourth Proportional to 34,618.75, 51,928.12 and 8,323.49

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Solution

The fourth proportional to 34,618.75, 51,928.12 and 8,323.49 is: 12,485.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.75 : 51,928.12 = 8,323.49 : x
  2. Step 2: Convert to fraction form
    34,618.75/51,928.12 = 8,323.49/x
  3. Step 3: Cross multiply
    34,618.75x = 51,928.12 × 8,323.49
  4. Step 4: Simplify right side
    34,618.75x = 432,222,927.90
  5. Step 5: Solve for x
    x = 432,222,927.90/34,618.75
  6. Step 6: Final answer
    x = 12,485.23

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1.5x scale

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.