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Finding the Fourth Proportional to 57,047.96, 85,571.94 and 55,735.76

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Solution

The fourth proportional to 57,047.96, 85,571.94 and 55,735.76 is: 83,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,047.96 : 85,571.94 = 55,735.76 : x
  2. Step 2: Convert to fraction form
    57,047.96/85,571.94 = 55,735.76/x
  3. Step 3: Cross multiply
    57,047.96x = 85,571.94 × 55,735.76
  4. Step 4: Simplify right side
    57,047.96x = 4,769,417,110.57
  5. Step 5: Solve for x
    x = 4,769,417,110.57/57,047.96
  6. Step 6: Final answer
    x = 83,603.64

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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.