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Finding the Fourth Proportional to 61,457.34, 84,791.43 and 36,301.98

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Solution

The fourth proportional to 61,457.34, 84,791.43 and 36,301.98 is: 50,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,457.34 : 84,791.43 = 36,301.98 : x
  2. Step 2: Convert to fraction form
    61,457.34/84,791.43 = 36,301.98/x
  3. Step 3: Cross multiply
    61,457.34x = 84,791.43 × 36,301.98
  4. Step 4: Simplify right side
    61,457.34x = 3,078,096,796.03
  5. Step 5: Solve for x
    x = 3,078,096,796.03/61,457.34
  6. Step 6: Final answer
    x = 50,085.10

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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.