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Finding the Fourth Proportional to 8,548.94, 12,806.79 and 4,839.95

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Solution

The fourth proportional to 8,548.94, 12,806.79 and 4,839.95 is: 7,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.94 : 12,806.79 = 4,839.95 : x
  2. Step 2: Convert to fraction form
    8,548.94/12,806.79 = 4,839.95/x
  3. Step 3: Cross multiply
    8,548.94x = 12,806.79 × 4,839.95
  4. Step 4: Simplify right side
    8,548.94x = 61,984,223.26
  5. Step 5: Solve for x
    x = 61,984,223.26/8,548.94
  6. Step 6: Final answer
    x = 7,250.52

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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.