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Finding the Fourth Proportional to 57,167.40, 78,890.90 and 32,017.08

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Solution

The fourth proportional to 57,167.40, 78,890.90 and 32,017.08 is: 44,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,167.40 : 78,890.90 = 32,017.08 : x
  2. Step 2: Convert to fraction form
    57,167.40/78,890.90 = 32,017.08/x
  3. Step 3: Cross multiply
    57,167.40x = 78,890.90 × 32,017.08
  4. Step 4: Simplify right side
    57,167.40x = 2,525,856,256.57
  5. Step 5: Solve for x
    x = 2,525,856,256.57/57,167.40
  6. Step 6: Final answer
    x = 44,183.51

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1.5x scale

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.