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Finding the Fourth Proportional to 8,555.56, 12,771.43 and 7,393.03

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Solution

The fourth proportional to 8,555.56, 12,771.43 and 7,393.03 is: 11,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.56 : 12,771.43 = 7,393.03 : x
  2. Step 2: Convert to fraction form
    8,555.56/12,771.43 = 7,393.03/x
  3. Step 3: Cross multiply
    8,555.56x = 12,771.43 × 7,393.03
  4. Step 4: Simplify right side
    8,555.56x = 94,419,514.72
  5. Step 5: Solve for x
    x = 94,419,514.72/8,555.56
  6. Step 6: Final answer
    x = 11,036.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.