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Finding the Fourth Proportional to 17,059.80, 25,628.10 and 11,875.80

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Solution

The fourth proportional to 17,059.80, 25,628.10 and 11,875.80 is: 17,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,059.80 : 25,628.10 = 11,875.80 : x
  2. Step 2: Convert to fraction form
    17,059.80/25,628.10 = 11,875.80/x
  3. Step 3: Cross multiply
    17,059.80x = 25,628.10 × 11,875.80
  4. Step 4: Simplify right side
    17,059.80x = 304,354,189.98
  5. Step 5: Solve for x
    x = 304,354,189.98/17,059.80
  6. Step 6: Final answer
    x = 17,840.43

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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.