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Finding the Fourth Proportional to 21,752.12, 32,622.86 and 6,957.97

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Solution

The fourth proportional to 21,752.12, 32,622.86 and 6,957.97 is: 10,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.12 : 32,622.86 = 6,957.97 : x
  2. Step 2: Convert to fraction form
    21,752.12/32,622.86 = 6,957.97/x
  3. Step 3: Cross multiply
    21,752.12x = 32,622.86 × 6,957.97
  4. Step 4: Simplify right side
    21,752.12x = 226,988,817.03
  5. Step 5: Solve for x
    x = 226,988,817.03/21,752.12
  6. Step 6: Final answer
    x = 10,435.25

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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.