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Finding the Fourth Proportional to 39,020.94, 53,854.88 and 22,032

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Solution

The fourth proportional to 39,020.94, 53,854.88 and 22,032 is: 30,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.94 : 53,854.88 = 22,032 : x
  2. Step 2: Convert to fraction form
    39,020.94/53,854.88 = 22,032/x
  3. Step 3: Cross multiply
    39,020.94x = 53,854.88 × 22,032
  4. Step 4: Simplify right side
    39,020.94x = 1,186,530,606
  5. Step 5: Solve for x
    x = 1,186,530,606/39,020.94
  6. Step 6: Final answer
    x = 30,407.54

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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.