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Finding the Fourth Proportional to 3,895,967.76, 5,843,951.64 and 1,056,079.90

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Solution

The fourth proportional to 3,895,967.76, 5,843,951.64 and 1,056,079.90 is: 1,584,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,967.76 : 5,843,951.64 = 1,056,079.90 : x
  2. Step 2: Convert to fraction form
    3,895,967.76/5,843,951.64 = 1,056,079.90/x
  3. Step 3: Cross multiply
    3,895,967.76x = 5,843,951.64 × 1,056,079.90
  4. Step 4: Simplify right side
    3,895,967.76x = 6,171,679,863,576.04
  5. Step 5: Solve for x
    x = 6,171,679,863,576.04/3,895,967.76
  6. Step 6: Final answer
    x = 1,584,119.85

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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.