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Finding the Fourth Proportional to 56,692.02, 85,019.96 and 18,734.22

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Solution

The fourth proportional to 56,692.02, 85,019.96 and 18,734.22 is: 28,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.02 : 85,019.96 = 18,734.22 : x
  2. Step 2: Convert to fraction form
    56,692.02/85,019.96 = 18,734.22/x
  3. Step 3: Cross multiply
    56,692.02x = 85,019.96 × 18,734.22
  4. Step 4: Simplify right side
    56,692.02x = 1,592,782,635.03
  5. Step 5: Solve for x
    x = 1,592,782,635.03/56,692.02
  6. Step 6: Final answer
    x = 28,095.36

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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.