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Finding the Fourth Proportional to 34,609.53, 51,914.30 and 19,808.13

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Solution

The fourth proportional to 34,609.53, 51,914.30 and 19,808.13 is: 29,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,609.53 : 51,914.30 = 19,808.13 : x
  2. Step 2: Convert to fraction form
    34,609.53/51,914.30 = 19,808.13/x
  3. Step 3: Cross multiply
    34,609.53x = 51,914.30 × 19,808.13
  4. Step 4: Simplify right side
    34,609.53x = 1,028,325,104.22
  5. Step 5: Solve for x
    x = 1,028,325,104.22/34,609.53
  6. Step 6: Final answer
    x = 29,712.20

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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.