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Finding the Fourth Proportional to 64,890.83, 89,549.33 and 36,596.52

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Solution

The fourth proportional to 64,890.83, 89,549.33 and 36,596.52 is: 50,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.83 : 89,549.33 = 36,596.52 : x
  2. Step 2: Convert to fraction form
    64,890.83/89,549.33 = 36,596.52/x
  3. Step 3: Cross multiply
    64,890.83x = 89,549.33 × 36,596.52
  4. Step 4: Simplify right side
    64,890.83x = 3,277,193,937.82
  5. Step 5: Solve for x
    x = 3,277,193,937.82/64,890.83
  6. Step 6: Final answer
    x = 50,503.19

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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.