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Finding the Fourth Proportional to 7,092,997.50, 9,788,347.49 and 4,037,211.75

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Solution

The fourth proportional to 7,092,997.50, 9,788,347.49 and 4,037,211.75 is: 5,571,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092,997.50 : 9,788,347.49 = 4,037,211.75 : x
  2. Step 2: Convert to fraction form
    7,092,997.50/9,788,347.49 = 4,037,211.75/x
  3. Step 3: Cross multiply
    7,092,997.50x = 9,788,347.49 × 4,037,211.75
  4. Step 4: Simplify right side
    7,092,997.50x = 39,517,631,499,711.01
  5. Step 5: Solve for x
    x = 39,517,631,499,711.01/7,092,997.50
  6. Step 6: Final answer
    x = 5,571,358.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.