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Finding the Fourth Proportional to 63,851.50, 95,755.61 and 21,720.32

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Solution

The fourth proportional to 63,851.50, 95,755.61 and 21,720.32 is: 32,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,851.50 : 95,755.61 = 21,720.32 : x
  2. Step 2: Convert to fraction form
    63,851.50/95,755.61 = 21,720.32/x
  3. Step 3: Cross multiply
    63,851.50x = 95,755.61 × 21,720.32
  4. Step 4: Simplify right side
    63,851.50x = 2,079,842,425.60
  5. Step 5: Solve for x
    x = 2,079,842,425.60/63,851.50
  6. Step 6: Final answer
    x = 32,573.12

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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.