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Finding the Fourth Proportional to 64,197.72, 96,279.30 and 22,639.32

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Solution

The fourth proportional to 64,197.72, 96,279.30 and 22,639.32 is: 33,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,197.72 : 96,279.30 = 22,639.32 : x
  2. Step 2: Convert to fraction form
    64,197.72/96,279.30 = 22,639.32/x
  3. Step 3: Cross multiply
    64,197.72x = 96,279.30 × 22,639.32
  4. Step 4: Simplify right side
    64,197.72x = 2,179,697,882.08
  5. Step 5: Solve for x
    x = 2,179,697,882.08/64,197.72
  6. Step 6: Final answer
    x = 33,952.89

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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.