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Finding the Fourth Proportional to 36,759.80, 55,053.30 and 25,009.40

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Solution

The fourth proportional to 36,759.80, 55,053.30 and 25,009.40 is: 37,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,759.80 : 55,053.30 = 25,009.40 : x
  2. Step 2: Convert to fraction form
    36,759.80/55,053.30 = 25,009.40/x
  3. Step 3: Cross multiply
    36,759.80x = 55,053.30 × 25,009.40
  4. Step 4: Simplify right side
    36,759.80x = 1,376,850,001.02
  5. Step 5: Solve for x
    x = 1,376,850,001.02/36,759.80
  6. Step 6: Final answer
    x = 37,455.32

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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.