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Finding the Fourth Proportional to 17,275.84, 25,877.31 and 17,079.01

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Solution

The fourth proportional to 17,275.84, 25,877.31 and 17,079.01 is: 25,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.84 : 25,877.31 = 17,079.01 : x
  2. Step 2: Convert to fraction form
    17,275.84/25,877.31 = 17,079.01/x
  3. Step 3: Cross multiply
    17,275.84x = 25,877.31 × 17,079.01
  4. Step 4: Simplify right side
    17,275.84x = 441,958,836.26
  5. Step 5: Solve for x
    x = 441,958,836.26/17,275.84
  6. Step 6: Final answer
    x = 25,582.48

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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.