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Finding the Fourth Proportional to 63,461.64, 95,200.56 and 21,323.64

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Solution

The fourth proportional to 63,461.64, 95,200.56 and 21,323.64 is: 31,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,461.64 : 95,200.56 = 21,323.64 : x
  2. Step 2: Convert to fraction form
    63,461.64/95,200.56 = 21,323.64/x
  3. Step 3: Cross multiply
    63,461.64x = 95,200.56 × 21,323.64
  4. Step 4: Simplify right side
    63,461.64x = 2,030,022,469.24
  5. Step 5: Solve for x
    x = 2,030,022,469.24/63,461.64
  6. Step 6: Final answer
    x = 31,988.18

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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.