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Finding the Fourth Proportional to 21,995.51, 32,995.17 and 6,200.64

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Solution

The fourth proportional to 21,995.51, 32,995.17 and 6,200.64 is: 9,301.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.51 : 32,995.17 = 6,200.64 : x
  2. Step 2: Convert to fraction form
    21,995.51/32,995.17 = 6,200.64/x
  3. Step 3: Cross multiply
    21,995.51x = 32,995.17 × 6,200.64
  4. Step 4: Simplify right side
    21,995.51x = 204,591,170.91
  5. Step 5: Solve for x
    x = 204,591,170.91/21,995.51
  6. Step 6: Final answer
    x = 9,301.50

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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.