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Finding the Fourth Proportional to 61,310.07, 84,615.46 and 34,452

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Solution

The fourth proportional to 61,310.07, 84,615.46 and 34,452 is: 47,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,310.07 : 84,615.46 = 34,452 : x
  2. Step 2: Convert to fraction form
    61,310.07/84,615.46 = 34,452/x
  3. Step 3: Cross multiply
    61,310.07x = 84,615.46 × 34,452
  4. Step 4: Simplify right side
    61,310.07x = 2,915,171,741.79
  5. Step 5: Solve for x
    x = 2,915,171,741.79/61,310.07
  6. Step 6: Final answer
    x = 47,548.01

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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.