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Finding the Fourth Proportional to 61,247.53, 84,513.75 and 35,748.06

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Solution

The fourth proportional to 61,247.53, 84,513.75 and 35,748.06 is: 49,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,247.53 : 84,513.75 = 35,748.06 : x
  2. Step 2: Convert to fraction form
    61,247.53/84,513.75 = 35,748.06/x
  3. Step 3: Cross multiply
    61,247.53x = 84,513.75 × 35,748.06
  4. Step 4: Simplify right side
    61,247.53x = 3,021,202,605.83
  5. Step 5: Solve for x
    x = 3,021,202,605.83/61,247.53
  6. Step 6: Final answer
    x = 49,327.75

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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.