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Finding the Fourth Proportional to 64,596.76, 89,123.49 and 37,719.88

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Solution

The fourth proportional to 64,596.76, 89,123.49 and 37,719.88 is: 52,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596.76 : 89,123.49 = 37,719.88 : x
  2. Step 2: Convert to fraction form
    64,596.76/89,123.49 = 37,719.88/x
  3. Step 3: Cross multiply
    64,596.76x = 89,123.49 × 37,719.88
  4. Step 4: Simplify right side
    64,596.76x = 3,361,727,125.17
  5. Step 5: Solve for x
    x = 3,361,727,125.17/64,596.76
  6. Step 6: Final answer
    x = 52,041.73

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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.