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Finding the Fourth Proportional to 61,694.64, 92,578.80 and 56,675.46

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Solution

The fourth proportional to 61,694.64, 92,578.80 and 56,675.46 is: 85,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,694.64 : 92,578.80 = 56,675.46 : x
  2. Step 2: Convert to fraction form
    61,694.64/92,578.80 = 56,675.46/x
  3. Step 3: Cross multiply
    61,694.64x = 92,578.80 × 56,675.46
  4. Step 4: Simplify right side
    61,694.64x = 5,246,946,076.25
  5. Step 5: Solve for x
    x = 5,246,946,076.25/61,694.64
  6. Step 6: Final answer
    x = 85,047.03

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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.