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Finding the Fourth Proportional to 36,700,485.70, 55,048,978.94 and 12,437,032.90

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Solution

The fourth proportional to 36,700,485.70, 55,048,978.94 and 12,437,032.90 is: 18,654,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700,485.70 : 55,048,978.94 = 12,437,032.90 : x
  2. Step 2: Convert to fraction form
    36,700,485.70/55,048,978.94 = 12,437,032.90/x
  3. Step 3: Cross multiply
    36,700,485.70x = 55,048,978.94 × 12,437,032.90
  4. Step 4: Simplify right side
    36,700,485.70x = 684,645,962,188,187.12
  5. Step 5: Solve for x
    x = 684,645,962,188,187.12/36,700,485.70
  6. Step 6: Final answer
    x = 18,654,956.44

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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.