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Finding the Fourth Proportional to 8,549.68, 11,798.34 and 5,559.87

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Solution

The fourth proportional to 8,549.68, 11,798.34 and 5,559.87 is: 7,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.68 : 11,798.34 = 5,559.87 : x
  2. Step 2: Convert to fraction form
    8,549.68/11,798.34 = 5,559.87/x
  3. Step 3: Cross multiply
    8,549.68x = 11,798.34 × 5,559.87
  4. Step 4: Simplify right side
    8,549.68x = 65,597,236.62
  5. Step 5: Solve for x
    x = 65,597,236.62/8,549.68
  6. Step 6: Final answer
    x = 7,672.48

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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.