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Finding the Fourth Proportional to 64,645.21, 96,937.01 and 22,520.12

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Solution

The fourth proportional to 64,645.21, 96,937.01 and 22,520.12 is: 33,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645.21 : 96,937.01 = 22,520.12 : x
  2. Step 2: Convert to fraction form
    64,645.21/96,937.01 = 22,520.12/x
  3. Step 3: Cross multiply
    64,645.21x = 96,937.01 × 22,520.12
  4. Step 4: Simplify right side
    64,645.21x = 2,183,033,077.75
  5. Step 5: Solve for x
    x = 2,183,033,077.75/64,645.21
  6. Step 6: Final answer
    x = 33,769.45

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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.