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Finding the Fourth Proportional to 8,806.41, 12,153 and 4,827.49

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Solution

The fourth proportional to 8,806.41, 12,153 and 4,827.49 is: 6,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.41 : 12,153 = 4,827.49 : x
  2. Step 2: Convert to fraction form
    8,806.41/12,153 = 4,827.49/x
  3. Step 3: Cross multiply
    8,806.41x = 12,153 × 4,827.49
  4. Step 4: Simplify right side
    8,806.41x = 58,668,485.97
  5. Step 5: Solve for x
    x = 58,668,485.97/8,806.41
  6. Step 6: Final answer
    x = 6,662.02

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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.