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Finding the Fourth Proportional to 11,703, 17,555.96 and 5,376.36

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Solution

The fourth proportional to 11,703, 17,555.96 and 5,376.36 is: 8,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703 : 17,555.96 = 5,376.36 : x
  2. Step 2: Convert to fraction form
    11,703/17,555.96 = 5,376.36/x
  3. Step 3: Cross multiply
    11,703x = 17,555.96 × 5,376.36
  4. Step 4: Simplify right side
    11,703x = 94,387,161.11
  5. Step 5: Solve for x
    x = 94,387,161.11/11,703
  6. Step 6: Final answer
    x = 8,065.21

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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.