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Finding the Fourth Proportional to 56,582.49, 84,862.80 and 53,772.60

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Solution

The fourth proportional to 56,582.49, 84,862.80 and 53,772.60 is: 80,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582.49 : 84,862.80 = 53,772.60 : x
  2. Step 2: Convert to fraction form
    56,582.49/84,862.80 = 53,772.60/x
  3. Step 3: Cross multiply
    56,582.49x = 84,862.80 × 53,772.60
  4. Step 4: Simplify right side
    56,582.49x = 4,563,293,399.28
  5. Step 5: Solve for x
    x = 4,563,293,399.28/56,582.49
  6. Step 6: Final answer
    x = 80,648.51

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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.