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Finding the Fourth Proportional to 34,170.71, 51,259.71 and 14,451.26

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Solution

The fourth proportional to 34,170.71, 51,259.71 and 14,451.26 is: 21,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.71 : 51,259.71 = 14,451.26 : x
  2. Step 2: Convert to fraction form
    34,170.71/51,259.71 = 14,451.26/x
  3. Step 3: Cross multiply
    34,170.71x = 51,259.71 × 14,451.26
  4. Step 4: Simplify right side
    34,170.71x = 740,767,396.73
  5. Step 5: Solve for x
    x = 740,767,396.73/34,170.71
  6. Step 6: Final answer
    x = 21,678.43

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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.