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Finding the Fourth Proportional to 17,250.70, 25,855.80 and 17,066.02

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Solution

The fourth proportional to 17,250.70, 25,855.80 and 17,066.02 is: 25,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,250.70 : 25,855.80 = 17,066.02 : x
  2. Step 2: Convert to fraction form
    17,250.70/25,855.80 = 17,066.02/x
  3. Step 3: Cross multiply
    17,250.70x = 25,855.80 × 17,066.02
  4. Step 4: Simplify right side
    17,250.70x = 441,255,599.92
  5. Step 5: Solve for x
    x = 441,255,599.92/17,250.70
  6. Step 6: Final answer
    x = 25,579.00

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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.