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Finding the Fourth Proportional to 63,467.64, 95,209.56 and 21,329.64

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Solution

The fourth proportional to 63,467.64, 95,209.56 and 21,329.64 is: 31,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,467.64 : 95,209.56 = 21,329.64 : x
  2. Step 2: Convert to fraction form
    63,467.64/95,209.56 = 21,329.64/x
  3. Step 3: Cross multiply
    63,467.64x = 95,209.56 × 21,329.64
  4. Step 4: Simplify right side
    63,467.64x = 2,030,785,639.36
  5. Step 5: Solve for x
    x = 2,030,785,639.36/63,467.64
  6. Step 6: Final answer
    x = 31,997.18

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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.