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Finding the Fourth Proportional to 17,253.33, 25,752 and 14,871.21

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Solution

The fourth proportional to 17,253.33, 25,752 and 14,871.21 is: 22,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253.33 : 25,752 = 14,871.21 : x
  2. Step 2: Convert to fraction form
    17,253.33/25,752 = 14,871.21/x
  3. Step 3: Cross multiply
    17,253.33x = 25,752 × 14,871.21
  4. Step 4: Simplify right side
    17,253.33x = 382,963,399.92
  5. Step 5: Solve for x
    x = 382,963,399.92/17,253.33
  6. Step 6: Final answer
    x = 22,196.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.