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Finding the Fourth Proportional to 37,647.40, 56,471.10 and 36,092.20

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Solution

The fourth proportional to 37,647.40, 56,471.10 and 36,092.20 is: 54,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,647.40 : 56,471.10 = 36,092.20 : x
  2. Step 2: Convert to fraction form
    37,647.40/56,471.10 = 36,092.20/x
  3. Step 3: Cross multiply
    37,647.40x = 56,471.10 × 36,092.20
  4. Step 4: Simplify right side
    37,647.40x = 2,038,166,235.42
  5. Step 5: Solve for x
    x = 2,038,166,235.42/37,647.40
  6. Step 6: Final answer
    x = 54,138.30

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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.