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Finding the Fourth Proportional to 5,859,624.60, 8,789,874.30 and 2,072,615.40

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Solution

The fourth proportional to 5,859,624.60, 8,789,874.30 and 2,072,615.40 is: 3,109,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859,624.60 : 8,789,874.30 = 2,072,615.40 : x
  2. Step 2: Convert to fraction form
    5,859,624.60/8,789,874.30 = 2,072,615.40/x
  3. Step 3: Cross multiply
    5,859,624.60x = 8,789,874.30 × 2,072,615.40
  4. Step 4: Simplify right side
    5,859,624.60x = 18,218,028,838,244.22
  5. Step 5: Solve for x
    x = 18,218,028,838,244.22/5,859,624.60
  6. Step 6: Final answer
    x = 3,109,077.81

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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.