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Finding the Fourth Proportional to 57,025.60, 85,376.40 and 53,922.40

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Solution

The fourth proportional to 57,025.60, 85,376.40 and 53,922.40 is: 80,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.60 : 85,376.40 = 53,922.40 : x
  2. Step 2: Convert to fraction form
    57,025.60/85,376.40 = 53,922.40/x
  3. Step 3: Cross multiply
    57,025.60x = 85,376.40 × 53,922.40
  4. Step 4: Simplify right side
    57,025.60x = 4,603,700,391.36
  5. Step 5: Solve for x
    x = 4,603,700,391.36/57,025.60
  6. Step 6: Final answer
    x = 80,730.42

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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.