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Finding the Fourth Proportional to 61,573.59, 85,041.63 and 41,395.43

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Solution

The fourth proportional to 61,573.59, 85,041.63 and 41,395.43 is: 57,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,573.59 : 85,041.63 = 41,395.43 : x
  2. Step 2: Convert to fraction form
    61,573.59/85,041.63 = 41,395.43/x
  3. Step 3: Cross multiply
    61,573.59x = 85,041.63 × 41,395.43
  4. Step 4: Simplify right side
    61,573.59x = 3,520,335,054.35
  5. Step 5: Solve for x
    x = 3,520,335,054.35/61,573.59
  6. Step 6: Final answer
    x = 57,172.81

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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.