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Finding the Fourth Proportional to 57,324, 79,107.12 and 32,173.50

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Solution

The fourth proportional to 57,324, 79,107.12 and 32,173.50 is: 44,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,324 : 79,107.12 = 32,173.50 : x
  2. Step 2: Convert to fraction form
    57,324/79,107.12 = 32,173.50/x
  3. Step 3: Cross multiply
    57,324x = 79,107.12 × 32,173.50
  4. Step 4: Simplify right side
    57,324x = 2,545,152,925.32
  5. Step 5: Solve for x
    x = 2,545,152,925.32/57,324
  6. Step 6: Final answer
    x = 44,399.43

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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.