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Finding the Fourth Proportional to 61,527.36, 84,915.56 and 34,676.44

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Solution

The fourth proportional to 61,527.36, 84,915.56 and 34,676.44 is: 47,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,527.36 : 84,915.56 = 34,676.44 : x
  2. Step 2: Convert to fraction form
    61,527.36/84,915.56 = 34,676.44/x
  3. Step 3: Cross multiply
    61,527.36x = 84,915.56 × 34,676.44
  4. Step 4: Simplify right side
    61,527.36x = 2,944,569,321.41
  5. Step 5: Solve for x
    x = 2,944,569,321.41/61,527.36
  6. Step 6: Final answer
    x = 47,857.89

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1.5x scale

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.