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Finding the Fourth Proportional to 57,692.40, 86,538.60 and 26,588.40

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Solution

The fourth proportional to 57,692.40, 86,538.60 and 26,588.40 is: 39,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,692.40 : 86,538.60 = 26,588.40 : x
  2. Step 2: Convert to fraction form
    57,692.40/86,538.60 = 26,588.40/x
  3. Step 3: Cross multiply
    57,692.40x = 86,538.60 × 26,588.40
  4. Step 4: Simplify right side
    57,692.40x = 2,300,922,912.24
  5. Step 5: Solve for x
    x = 2,300,922,912.24/57,692.40
  6. Step 6: Final answer
    x = 39,882.60

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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.