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Finding the Fourth Proportional to 34,129.01, 51,169.28 and 13,051.31

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Solution

The fourth proportional to 34,129.01, 51,169.28 and 13,051.31 is: 19,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.01 : 51,169.28 = 13,051.31 : x
  2. Step 2: Convert to fraction form
    34,129.01/51,169.28 = 13,051.31/x
  3. Step 3: Cross multiply
    34,129.01x = 51,169.28 × 13,051.31
  4. Step 4: Simplify right side
    34,129.01x = 667,825,814.65
  5. Step 5: Solve for x
    x = 667,825,814.65/34,129.01
  6. Step 6: Final answer
    x = 19,567.69

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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.