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Finding the Fourth Proportional to 6,664,276.06, 9,995,271.01 and 2,114,310.70

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Solution

The fourth proportional to 6,664,276.06, 9,995,271.01 and 2,114,310.70 is: 3,171,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664,276.06 : 9,995,271.01 = 2,114,310.70 : x
  2. Step 2: Convert to fraction form
    6,664,276.06/9,995,271.01 = 2,114,310.70/x
  3. Step 3: Cross multiply
    6,664,276.06x = 9,995,271.01 × 2,114,310.70
  4. Step 4: Simplify right side
    6,664,276.06x = 21,133,108,453,051.12
  5. Step 5: Solve for x
    x = 21,133,108,453,051.12/6,664,276.06
  6. Step 6: Final answer
    x = 3,171,103.40

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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.