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Finding the Fourth Proportional to 64,145.04, 96,172.20 and 22,004.88

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Solution

The fourth proportional to 64,145.04, 96,172.20 and 22,004.88 is: 32,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,145.04 : 96,172.20 = 22,004.88 : x
  2. Step 2: Convert to fraction form
    64,145.04/96,172.20 = 22,004.88/x
  3. Step 3: Cross multiply
    64,145.04x = 96,172.20 × 22,004.88
  4. Step 4: Simplify right side
    64,145.04x = 2,116,257,720.34
  5. Step 5: Solve for x
    x = 2,116,257,720.34/64,145.04
  6. Step 6: Final answer
    x = 32,991.76

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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.