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Finding the Fourth Proportional to 57,989.57, 79,970.51 and 37,840.01

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Solution

The fourth proportional to 57,989.57, 79,970.51 and 37,840.01 is: 52,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.57 : 79,970.51 = 37,840.01 : x
  2. Step 2: Convert to fraction form
    57,989.57/79,970.51 = 37,840.01/x
  3. Step 3: Cross multiply
    57,989.57x = 79,970.51 × 37,840.01
  4. Step 4: Simplify right side
    57,989.57x = 3,026,084,708.91
  5. Step 5: Solve for x
    x = 3,026,084,708.91/57,989.57
  6. Step 6: Final answer
    x = 52,183.26

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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.