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Finding the Fourth Proportional to 8,554.49, 12,835.99 and 4,803.94

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Solution

The fourth proportional to 8,554.49, 12,835.99 and 4,803.94 is: 7,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.49 : 12,835.99 = 4,803.94 : x
  2. Step 2: Convert to fraction form
    8,554.49/12,835.99 = 4,803.94/x
  3. Step 3: Cross multiply
    8,554.49x = 12,835.99 × 4,803.94
  4. Step 4: Simplify right side
    8,554.49x = 61,663,325.80
  5. Step 5: Solve for x
    x = 61,663,325.80/8,554.49
  6. Step 6: Final answer
    x = 7,208.30

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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.