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Finding the Fourth Proportional to 17,955.80, 26,945.99 and 6,269.02

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Solution

The fourth proportional to 17,955.80, 26,945.99 and 6,269.02 is: 9,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.80 : 26,945.99 = 6,269.02 : x
  2. Step 2: Convert to fraction form
    17,955.80/26,945.99 = 6,269.02/x
  3. Step 3: Cross multiply
    17,955.80x = 26,945.99 × 6,269.02
  4. Step 4: Simplify right side
    17,955.80x = 168,924,950.23
  5. Step 5: Solve for x
    x = 168,924,950.23/17,955.80
  6. Step 6: Final answer
    x = 9,407.82

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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.