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Finding the Fourth Proportional to 62,948.64, 86,883.90 and 36,090.66

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Solution

The fourth proportional to 62,948.64, 86,883.90 and 36,090.66 is: 49,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,948.64 : 86,883.90 = 36,090.66 : x
  2. Step 2: Convert to fraction form
    62,948.64/86,883.90 = 36,090.66/x
  3. Step 3: Cross multiply
    62,948.64x = 86,883.90 × 36,090.66
  4. Step 4: Simplify right side
    62,948.64x = 3,135,697,294.37
  5. Step 5: Solve for x
    x = 3,135,697,294.37/62,948.64
  6. Step 6: Final answer
    x = 49,813.58

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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.