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Finding the Fourth Proportional to 37,740.70, 56,501.70 and 36,647.20

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Solution

The fourth proportional to 37,740.70, 56,501.70 and 36,647.20 is: 54,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,740.70 : 56,501.70 = 36,647.20 : x
  2. Step 2: Convert to fraction form
    37,740.70/56,501.70 = 36,647.20/x
  3. Step 3: Cross multiply
    37,740.70x = 56,501.70 × 36,647.20
  4. Step 4: Simplify right side
    37,740.70x = 2,070,629,100.24
  5. Step 5: Solve for x
    x = 2,070,629,100.24/37,740.70
  6. Step 6: Final answer
    x = 54,864.62

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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.