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Finding the Fourth Proportional to 8,830.56, 13,239.72 and 7,452.84

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Solution

The fourth proportional to 8,830.56, 13,239.72 and 7,452.84 is: 11,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.56 : 13,239.72 = 7,452.84 : x
  2. Step 2: Convert to fraction form
    8,830.56/13,239.72 = 7,452.84/x
  3. Step 3: Cross multiply
    8,830.56x = 13,239.72 × 7,452.84
  4. Step 4: Simplify right side
    8,830.56x = 98,673,514.80
  5. Step 5: Solve for x
    x = 98,673,514.80/8,830.56
  6. Step 6: Final answer
    x = 11,174.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.