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Finding the Fourth Proportional to 11,802.40, 17,704.42 and 3,904.59

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Solution

The fourth proportional to 11,802.40, 17,704.42 and 3,904.59 is: 5,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,802.40 : 17,704.42 = 3,904.59 : x
  2. Step 2: Convert to fraction form
    11,802.40/17,704.42 = 3,904.59/x
  3. Step 3: Cross multiply
    11,802.40x = 17,704.42 × 3,904.59
  4. Step 4: Simplify right side
    11,802.40x = 69,128,501.29
  5. Step 5: Solve for x
    x = 69,128,501.29/11,802.40
  6. Step 6: Final answer
    x = 5,857.16

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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.