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Finding the Fourth Proportional to 64,497,861, 89,007,049.26 and 35,524,485

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Solution

The fourth proportional to 64,497,861, 89,007,049.26 and 35,524,485 is: 49,023,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497,861 : 89,007,049.26 = 35,524,485 : x
  2. Step 2: Convert to fraction form
    64,497,861/89,007,049.26 = 35,524,485/x
  3. Step 3: Cross multiply
    64,497,861x = 89,007,049.26 × 35,524,485
  4. Step 4: Simplify right side
    64,497,861x = 3,161,929,586,331,131.50
  5. Step 5: Solve for x
    x = 3,161,929,586,331,131.50/64,497,861
  6. Step 6: Final answer
    x = 49,023,789.89

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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.