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Finding the Fourth Proportional to 55,763.52, 76,948.52 and 33,098.64

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Solution

The fourth proportional to 55,763.52, 76,948.52 and 33,098.64 is: 45,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.52 : 76,948.52 = 33,098.64 : x
  2. Step 2: Convert to fraction form
    55,763.52/76,948.52 = 33,098.64/x
  3. Step 3: Cross multiply
    55,763.52x = 76,948.52 × 33,098.64
  4. Step 4: Simplify right side
    55,763.52x = 2,546,891,362.01
  5. Step 5: Solve for x
    x = 2,546,891,362.01/55,763.52
  6. Step 6: Final answer
    x = 45,673.07

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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.