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Finding the Fourth Proportional to 64,214.64, 88,622.88 and 36,991.68

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Solution

The fourth proportional to 64,214.64, 88,622.88 and 36,991.68 is: 51,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,214.64 : 88,622.88 = 36,991.68 : x
  2. Step 2: Convert to fraction form
    64,214.64/88,622.88 = 36,991.68/x
  3. Step 3: Cross multiply
    64,214.64x = 88,622.88 × 36,991.68
  4. Step 4: Simplify right side
    64,214.64x = 3,278,309,217.64
  5. Step 5: Solve for x
    x = 3,278,309,217.64/64,214.64
  6. Step 6: Final answer
    x = 51,052.36

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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.