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Finding the Fourth Proportional to 6,453,904.40, 9,659,861.40 and 5,026,230.80

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Solution

The fourth proportional to 6,453,904.40, 9,659,861.40 and 5,026,230.80 is: 7,522,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,904.40 : 9,659,861.40 = 5,026,230.80 : x
  2. Step 2: Convert to fraction form
    6,453,904.40/9,659,861.40 = 5,026,230.80/x
  3. Step 3: Cross multiply
    6,453,904.40x = 9,659,861.40 × 5,026,230.80
  4. Step 4: Simplify right side
    6,453,904.40x = 48,552,692,892,411.12
  5. Step 5: Solve for x
    x = 48,552,692,892,411.12/6,453,904.40
  6. Step 6: Final answer
    x = 7,522,995.37

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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.