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Finding the Fourth Proportional to 64,122.85, 96,189.74 and 16,744.24

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Solution

The fourth proportional to 64,122.85, 96,189.74 and 16,744.24 is: 25,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.85 : 96,189.74 = 16,744.24 : x
  2. Step 2: Convert to fraction form
    64,122.85/96,189.74 = 16,744.24/x
  3. Step 3: Cross multiply
    64,122.85x = 96,189.74 × 16,744.24
  4. Step 4: Simplify right side
    64,122.85x = 1,610,624,092.10
  5. Step 5: Solve for x
    x = 1,610,624,092.10/64,122.85
  6. Step 6: Final answer
    x = 25,117.79

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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.