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Finding the Fourth Proportional to 8,558.32, 11,806.41 and 5,573.05

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Solution

The fourth proportional to 8,558.32, 11,806.41 and 5,573.05 is: 7,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.32 : 11,806.41 = 5,573.05 : x
  2. Step 2: Convert to fraction form
    8,558.32/11,806.41 = 5,573.05/x
  3. Step 3: Cross multiply
    8,558.32x = 11,806.41 × 5,573.05
  4. Step 4: Simplify right side
    8,558.32x = 65,797,713.25
  5. Step 5: Solve for x
    x = 65,797,713.25/8,558.32
  6. Step 6: Final answer
    x = 7,688.16

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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.