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Finding the Fourth Proportional to 36,461.37, 54,692.06 and 20,868.06

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Solution

The fourth proportional to 36,461.37, 54,692.06 and 20,868.06 is: 31,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,461.37 : 54,692.06 = 20,868.06 : x
  2. Step 2: Convert to fraction form
    36,461.37/54,692.06 = 20,868.06/x
  3. Step 3: Cross multiply
    36,461.37x = 54,692.06 × 20,868.06
  4. Step 4: Simplify right side
    36,461.37x = 1,141,317,085.26
  5. Step 5: Solve for x
    x = 1,141,317,085.26/36,461.37
  6. Step 6: Final answer
    x = 31,302.09

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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.