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Finding the Fourth Proportional to 17,798.61, 26,699.13 and 6,120.03

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Solution

The fourth proportional to 17,798.61, 26,699.13 and 6,120.03 is: 9,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.61 : 26,699.13 = 6,120.03 : x
  2. Step 2: Convert to fraction form
    17,798.61/26,699.13 = 6,120.03/x
  3. Step 3: Cross multiply
    17,798.61x = 26,699.13 × 6,120.03
  4. Step 4: Simplify right side
    17,798.61x = 163,399,476.57
  5. Step 5: Solve for x
    x = 163,399,476.57/17,798.61
  6. Step 6: Final answer
    x = 9,180.46

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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.