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Finding the Fourth Proportional to 57,475, 79,315.50 and 32,325.04

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Solution

The fourth proportional to 57,475, 79,315.50 and 32,325.04 is: 44,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475 : 79,315.50 = 32,325.04 : x
  2. Step 2: Convert to fraction form
    57,475/79,315.50 = 32,325.04/x
  3. Step 3: Cross multiply
    57,475x = 79,315.50 × 32,325.04
  4. Step 4: Simplify right side
    57,475x = 2,563,876,710.12
  5. Step 5: Solve for x
    x = 2,563,876,710.12/57,475
  6. Step 6: Final answer
    x = 44,608.56

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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.