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Finding the Fourth Proportional to 8,806.85, 12,153.49 and 4,828.03

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Solution

The fourth proportional to 8,806.85, 12,153.49 and 4,828.03 is: 6,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.85 : 12,153.49 = 4,828.03 : x
  2. Step 2: Convert to fraction form
    8,806.85/12,153.49 = 4,828.03/x
  3. Step 3: Cross multiply
    8,806.85x = 12,153.49 × 4,828.03
  4. Step 4: Simplify right side
    8,806.85x = 58,677,433.21
  5. Step 5: Solve for x
    x = 58,677,433.21/8,806.85
  6. Step 6: Final answer
    x = 6,662.70

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1.5x scale

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.