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Finding the Fourth Proportional to 54,750.39, 82,019.07 and 35,973.38

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Solution

The fourth proportional to 54,750.39, 82,019.07 and 35,973.38 is: 53,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.39 : 82,019.07 = 35,973.38 : x
  2. Step 2: Convert to fraction form
    54,750.39/82,019.07 = 35,973.38/x
  3. Step 3: Cross multiply
    54,750.39x = 82,019.07 × 35,973.38
  4. Step 4: Simplify right side
    54,750.39x = 2,950,502,762.26
  5. Step 5: Solve for x
    x = 2,950,502,762.26/54,750.39
  6. Step 6: Final answer
    x = 53,890.08

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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.