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Finding the Fourth Proportional to 34,918.40, 48,187.84 and 19,003.28

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Solution

The fourth proportional to 34,918.40, 48,187.84 and 19,003.28 is: 26,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,918.40 : 48,187.84 = 19,003.28 : x
  2. Step 2: Convert to fraction form
    34,918.40/48,187.84 = 19,003.28/x
  3. Step 3: Cross multiply
    34,918.40x = 48,187.84 × 19,003.28
  4. Step 4: Simplify right side
    34,918.40x = 915,727,016.12
  5. Step 5: Solve for x
    x = 915,727,016.12/34,918.40
  6. Step 6: Final answer
    x = 26,224.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.