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Finding the Fourth Proportional to 57,944.40, 86,916.60 and 54,027.60

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Solution

The fourth proportional to 57,944.40, 86,916.60 and 54,027.60 is: 81,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,944.40 : 86,916.60 = 54,027.60 : x
  2. Step 2: Convert to fraction form
    57,944.40/86,916.60 = 54,027.60/x
  3. Step 3: Cross multiply
    57,944.40x = 86,916.60 × 54,027.60
  4. Step 4: Simplify right side
    57,944.40x = 4,695,895,298.16
  5. Step 5: Solve for x
    x = 4,695,895,298.16/57,944.40
  6. Step 6: Final answer
    x = 81,041.40

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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.