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Finding the Fourth Proportional to 56,551.72, 84,696.30 and 54,583.48

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Solution

The fourth proportional to 56,551.72, 84,696.30 and 54,583.48 is: 81,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,551.72 : 84,696.30 = 54,583.48 : x
  2. Step 2: Convert to fraction form
    56,551.72/84,696.30 = 54,583.48/x
  3. Step 3: Cross multiply
    56,551.72x = 84,696.30 × 54,583.48
  4. Step 4: Simplify right side
    56,551.72x = 4,623,018,797.12
  5. Step 5: Solve for x
    x = 4,623,018,797.12/56,551.72
  6. Step 6: Final answer
    x = 81,748.51

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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.