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Finding the Fourth Proportional to 17,017.30, 25,479.87 and 8,792.02

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Solution

The fourth proportional to 17,017.30, 25,479.87 and 8,792.02 is: 13,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.30 : 25,479.87 = 8,792.02 : x
  2. Step 2: Convert to fraction form
    17,017.30/25,479.87 = 8,792.02/x
  3. Step 3: Cross multiply
    17,017.30x = 25,479.87 × 8,792.02
  4. Step 4: Simplify right side
    17,017.30x = 224,019,526.64
  5. Step 5: Solve for x
    x = 224,019,526.64/17,017.30
  6. Step 6: Final answer
    x = 13,164.22

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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.