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Finding the Fourth Proportional to 57,322.80, 79,030.56 and 41,411.16

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Solution

The fourth proportional to 57,322.80, 79,030.56 and 41,411.16 is: 57,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322.80 : 79,030.56 = 41,411.16 : x
  2. Step 2: Convert to fraction form
    57,322.80/79,030.56 = 41,411.16/x
  3. Step 3: Cross multiply
    57,322.80x = 79,030.56 × 41,411.16
  4. Step 4: Simplify right side
    57,322.80x = 3,272,747,165.05
  5. Step 5: Solve for x
    x = 3,272,747,165.05/57,322.80
  6. Step 6: Final answer
    x = 57,093.29

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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.