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Finding the Fourth Proportional to 17,133.72, 25,701.30 and 8,376

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Solution

The fourth proportional to 17,133.72, 25,701.30 and 8,376 is: 12,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.72 : 25,701.30 = 8,376 : x
  2. Step 2: Convert to fraction form
    17,133.72/25,701.30 = 8,376/x
  3. Step 3: Cross multiply
    17,133.72x = 25,701.30 × 8,376
  4. Step 4: Simplify right side
    17,133.72x = 215,274,088.80
  5. Step 5: Solve for x
    x = 215,274,088.80/17,133.72
  6. Step 6: Final answer
    x = 12,564.35

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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.