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Finding the Fourth Proportional to 17,130.08, 25,696 and 4,819.04

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Solution

The fourth proportional to 17,130.08, 25,696 and 4,819.04 is: 7,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.08 : 25,696 = 4,819.04 : x
  2. Step 2: Convert to fraction form
    17,130.08/25,696 = 4,819.04/x
  3. Step 3: Cross multiply
    17,130.08x = 25,696 × 4,819.04
  4. Step 4: Simplify right side
    17,130.08x = 123,830,051.84
  5. Step 5: Solve for x
    x = 123,830,051.84/17,130.08
  6. Step 6: Final answer
    x = 7,228.81

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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.