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Finding the Fourth Proportional to 64,596.69, 89,143.47 and 36,302.58

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Solution

The fourth proportional to 64,596.69, 89,143.47 and 36,302.58 is: 50,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596.69 : 89,143.47 = 36,302.58 : x
  2. Step 2: Convert to fraction form
    64,596.69/89,143.47 = 36,302.58/x
  3. Step 3: Cross multiply
    64,596.69x = 89,143.47 × 36,302.58
  4. Step 4: Simplify right side
    64,596.69x = 3,236,137,951.15
  5. Step 5: Solve for x
    x = 3,236,137,951.15/64,596.69
  6. Step 6: Final answer
    x = 50,097.58

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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.