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Finding the Fourth Proportional to 8,546.66, 11,786.28 and 5,559.08

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Solution

The fourth proportional to 8,546.66, 11,786.28 and 5,559.08 is: 7,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.66 : 11,786.28 = 5,559.08 : x
  2. Step 2: Convert to fraction form
    8,546.66/11,786.28 = 5,559.08/x
  3. Step 3: Cross multiply
    8,546.66x = 11,786.28 × 5,559.08
  4. Step 4: Simplify right side
    8,546.66x = 65,520,873.42
  5. Step 5: Solve for x
    x = 65,520,873.42/8,546.66
  6. Step 6: Final answer
    x = 7,666.25

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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.