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Finding the Fourth Proportional to 71,592.11, 98,804.94 and 40,968.03

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Solution

The fourth proportional to 71,592.11, 98,804.94 and 40,968.03 is: 56,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.11 : 98,804.94 = 40,968.03 : x
  2. Step 2: Convert to fraction form
    71,592.11/98,804.94 = 40,968.03/x
  3. Step 3: Cross multiply
    71,592.11x = 98,804.94 × 40,968.03
  4. Step 4: Simplify right side
    71,592.11x = 4,047,843,746.07
  5. Step 5: Solve for x
    x = 4,047,843,746.07/71,592.11
  6. Step 6: Final answer
    x = 56,540.36

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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.