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Finding the Fourth Proportional to 64,668.39, 89,241.98 and 36,374.37

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Solution

The fourth proportional to 64,668.39, 89,241.98 and 36,374.37 is: 50,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668.39 : 89,241.98 = 36,374.37 : x
  2. Step 2: Convert to fraction form
    64,668.39/89,241.98 = 36,374.37/x
  3. Step 3: Cross multiply
    64,668.39x = 89,241.98 × 36,374.37
  4. Step 4: Simplify right side
    64,668.39x = 3,246,120,618.18
  5. Step 5: Solve for x
    x = 3,246,120,618.18/64,668.39
  6. Step 6: Final answer
    x = 50,196.40

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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.