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Finding the Fourth Proportional to 64,653.99, 89,211.63 and 35,969.91

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Solution

The fourth proportional to 64,653.99, 89,211.63 and 35,969.91 is: 49,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653.99 : 89,211.63 = 35,969.91 : x
  2. Step 2: Convert to fraction form
    64,653.99/89,211.63 = 35,969.91/x
  3. Step 3: Cross multiply
    64,653.99x = 89,211.63 × 35,969.91
  4. Step 4: Simplify right side
    64,653.99x = 3,208,934,302.05
  5. Step 5: Solve for x
    x = 3,208,934,302.05/64,653.99
  6. Step 6: Final answer
    x = 49,632.42

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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.