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Finding the Fourth Proportional to 64,633.58, 89,192.83 and 36,339.18

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Solution

The fourth proportional to 64,633.58, 89,192.83 and 36,339.18 is: 50,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,633.58 : 89,192.83 = 36,339.18 : x
  2. Step 2: Convert to fraction form
    64,633.58/89,192.83 = 36,339.18/x
  3. Step 3: Cross multiply
    64,633.58x = 89,192.83 × 36,339.18
  4. Step 4: Simplify right side
    64,633.58x = 3,241,194,304.08
  5. Step 5: Solve for x
    x = 3,241,194,304.08/64,633.58
  6. Step 6: Final answer
    x = 50,147.22

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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.