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Finding the Fourth Proportional to 61,754.48, 85,225.44 and 37,564.90

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Solution

The fourth proportional to 61,754.48, 85,225.44 and 37,564.90 is: 51,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.48 : 85,225.44 = 37,564.90 : x
  2. Step 2: Convert to fraction form
    61,754.48/85,225.44 = 37,564.90/x
  3. Step 3: Cross multiply
    61,754.48x = 85,225.44 × 37,564.90
  4. Step 4: Simplify right side
    61,754.48x = 3,201,485,131.06
  5. Step 5: Solve for x
    x = 3,201,485,131.06/61,754.48
  6. Step 6: Final answer
    x = 51,842.15

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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.