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Finding the Fourth Proportional to 62,938.36, 86,855.52 and 34,644.26

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Solution

The fourth proportional to 62,938.36, 86,855.52 and 34,644.26 is: 47,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,938.36 : 86,855.52 = 34,644.26 : x
  2. Step 2: Convert to fraction form
    62,938.36/86,855.52 = 34,644.26/x
  3. Step 3: Cross multiply
    62,938.36x = 86,855.52 × 34,644.26
  4. Step 4: Simplify right side
    62,938.36x = 3,009,045,217.32
  5. Step 5: Solve for x
    x = 3,009,045,217.32/62,938.36
  6. Step 6: Final answer
    x = 47,809.40

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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.