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Finding the Fourth Proportional to 64,922.69, 89,597.82 and 36,248

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Solution

The fourth proportional to 64,922.69, 89,597.82 and 36,248 is: 50,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,922.69 : 89,597.82 = 36,248 : x
  2. Step 2: Convert to fraction form
    64,922.69/89,597.82 = 36,248/x
  3. Step 3: Cross multiply
    64,922.69x = 89,597.82 × 36,248
  4. Step 4: Simplify right side
    64,922.69x = 3,247,741,779.36
  5. Step 5: Solve for x
    x = 3,247,741,779.36/64,922.69
  6. Step 6: Final answer
    x = 50,024.76

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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.