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Finding the Fourth Proportional to 39,292, 54,211.44 and 23,368.48

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Solution

The fourth proportional to 39,292, 54,211.44 and 23,368.48 is: 32,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292 : 54,211.44 = 23,368.48 : x
  2. Step 2: Convert to fraction form
    39,292/54,211.44 = 23,368.48/x
  3. Step 3: Cross multiply
    39,292x = 54,211.44 × 23,368.48
  4. Step 4: Simplify right side
    39,292x = 1,266,838,951.41
  5. Step 5: Solve for x
    x = 1,266,838,951.41/39,292
  6. Step 6: Final answer
    x = 32,241.65

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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.