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Finding the Fourth Proportional to 6,898,597.80, 10,347,896.70 and 6,588,940.20

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Solution

The fourth proportional to 6,898,597.80, 10,347,896.70 and 6,588,940.20 is: 9,883,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898,597.80 : 10,347,896.70 = 6,588,940.20 : x
  2. Step 2: Convert to fraction form
    6,898,597.80/10,347,896.70 = 6,588,940.20/x
  3. Step 3: Cross multiply
    6,898,597.80x = 10,347,896.70 × 6,588,940.20
  4. Step 4: Simplify right side
    6,898,597.80x = 68,181,672,552,077.34
  5. Step 5: Solve for x
    x = 68,181,672,552,077.34/6,898,597.80
  6. Step 6: Final answer
    x = 9,883,410.30

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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.