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Finding the Fourth Proportional to 57,352.80, 85,834.80 and 50,354.40

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Solution

The fourth proportional to 57,352.80, 85,834.80 and 50,354.40 is: 75,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,352.80 : 85,834.80 = 50,354.40 : x
  2. Step 2: Convert to fraction form
    57,352.80/85,834.80 = 50,354.40/x
  3. Step 3: Cross multiply
    57,352.80x = 85,834.80 × 50,354.40
  4. Step 4: Simplify right side
    57,352.80x = 4,322,159,853.12
  5. Step 5: Solve for x
    x = 4,322,159,853.12/57,352.80
  6. Step 6: Final answer
    x = 75,360.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.