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Finding the Fourth Proportional to 36,905,672.70, 55,358,509.05 and 11,343,360.60

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Solution

The fourth proportional to 36,905,672.70, 55,358,509.05 and 11,343,360.60 is: 17,015,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905,672.70 : 55,358,509.05 = 11,343,360.60 : x
  2. Step 2: Convert to fraction form
    36,905,672.70/55,358,509.05 = 11,343,360.60/x
  3. Step 3: Cross multiply
    36,905,672.70x = 55,358,509.05 × 11,343,360.60
  4. Step 4: Simplify right side
    36,905,672.70x = 627,951,530,432,513.38
  5. Step 5: Solve for x
    x = 627,951,530,432,513.38/36,905,672.70
  6. Step 6: Final answer
    x = 17,015,040.90

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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.