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Finding the Fourth Proportional to 57,845.80, 79,803.65 and 37,695.34

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Solution

The fourth proportional to 57,845.80, 79,803.65 and 37,695.34 is: 52,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,845.80 : 79,803.65 = 37,695.34 : x
  2. Step 2: Convert to fraction form
    57,845.80/79,803.65 = 37,695.34/x
  3. Step 3: Cross multiply
    57,845.80x = 79,803.65 × 37,695.34
  4. Step 4: Simplify right side
    57,845.80x = 3,008,225,132.50
  5. Step 5: Solve for x
    x = 3,008,225,132.50/57,845.80
  6. Step 6: Final answer
    x = 52,004.21

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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.