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Finding the Fourth Proportional to 64,957.38, 89,642.60 and 36,663.27

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Solution

The fourth proportional to 64,957.38, 89,642.60 and 36,663.27 is: 50,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,957.38 : 89,642.60 = 36,663.27 : x
  2. Step 2: Convert to fraction form
    64,957.38/89,642.60 = 36,663.27/x
  3. Step 3: Cross multiply
    64,957.38x = 89,642.60 × 36,663.27
  4. Step 4: Simplify right side
    64,957.38x = 3,286,590,847.30
  5. Step 5: Solve for x
    x = 3,286,590,847.30/64,957.38
  6. Step 6: Final answer
    x = 50,596.11

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1.5x scale

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.