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Finding the Fourth Proportional to 64,114.64, 96,183.25 and 21,999.20

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Solution

The fourth proportional to 64,114.64, 96,183.25 and 21,999.20 is: 33,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,114.64 : 96,183.25 = 21,999.20 : x
  2. Step 2: Convert to fraction form
    64,114.64/96,183.25 = 21,999.20/x
  3. Step 3: Cross multiply
    64,114.64x = 96,183.25 × 21,999.20
  4. Step 4: Simplify right side
    64,114.64x = 2,115,954,017.49
  5. Step 5: Solve for x
    x = 2,115,954,017.49/64,114.64
  6. Step 6: Final answer
    x = 33,002.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.