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Finding the Fourth Proportional to 3,847,166.96, 5,742,337.91 and 3,393,311.00

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Solution

The fourth proportional to 3,847,166.96, 5,742,337.91 and 3,393,311.00 is: 5,064,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,166.96 : 5,742,337.91 = 3,393,311.00 : x
  2. Step 2: Convert to fraction form
    3,847,166.96/5,742,337.91 = 3,393,311.00/x
  3. Step 3: Cross multiply
    3,847,166.96x = 5,742,337.91 × 3,393,311.00
  4. Step 4: Simplify right side
    3,847,166.96x = 19,485,538,350,041.77
  5. Step 5: Solve for x
    x = 19,485,538,350,041.77/3,847,166.96
  6. Step 6: Final answer
    x = 5,064,905.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.