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Finding the Fourth Proportional to 61,045.80, 91,615.59 and 27,322.26

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Solution

The fourth proportional to 61,045.80, 91,615.59 and 27,322.26 is: 41,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,045.80 : 91,615.59 = 27,322.26 : x
  2. Step 2: Convert to fraction form
    61,045.80/91,615.59 = 27,322.26/x
  3. Step 3: Cross multiply
    61,045.80x = 91,615.59 × 27,322.26
  4. Step 4: Simplify right side
    61,045.80x = 2,503,144,970.03
  5. Step 5: Solve for x
    x = 2,503,144,970.03/61,045.80
  6. Step 6: Final answer
    x = 41,004.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.