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Finding the Fourth Proportional to 8,958.54, 13,429.05 and 4,029.42

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Solution

The fourth proportional to 8,958.54, 13,429.05 and 4,029.42 is: 6,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.54 : 13,429.05 = 4,029.42 : x
  2. Step 2: Convert to fraction form
    8,958.54/13,429.05 = 4,029.42/x
  3. Step 3: Cross multiply
    8,958.54x = 13,429.05 × 4,029.42
  4. Step 4: Simplify right side
    8,958.54x = 54,111,282.65
  5. Step 5: Solve for x
    x = 54,111,282.65/8,958.54
  6. Step 6: Final answer
    x = 6,040.19

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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.