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Finding the Fourth Proportional to 8,806.56, 12,153.36 and 4,827.68

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Solution

The fourth proportional to 8,806.56, 12,153.36 and 4,827.68 is: 6,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.56 : 12,153.36 = 4,827.68 : x
  2. Step 2: Convert to fraction form
    8,806.56/12,153.36 = 4,827.68/x
  3. Step 3: Cross multiply
    8,806.56x = 12,153.36 × 4,827.68
  4. Step 4: Simplify right side
    8,806.56x = 58,672,533.00
  5. Step 5: Solve for x
    x = 58,672,533.00/8,806.56
  6. Step 6: Final answer
    x = 6,662.37

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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.