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Finding the Fourth Proportional to 61,968.48, 92,900.48 and 26,881.68

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Solution

The fourth proportional to 61,968.48, 92,900.48 and 26,881.68 is: 40,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,968.48 : 92,900.48 = 26,881.68 : x
  2. Step 2: Convert to fraction form
    61,968.48/92,900.48 = 26,881.68/x
  3. Step 3: Cross multiply
    61,968.48x = 92,900.48 × 26,881.68
  4. Step 4: Simplify right side
    61,968.48x = 2,497,320,975.21
  5. Step 5: Solve for x
    x = 2,497,320,975.21/61,968.48
  6. Step 6: Final answer
    x = 40,299.86

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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.