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Finding the Fourth Proportional to 21,999.34, 32,992.06 and 7,204.86

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Solution

The fourth proportional to 21,999.34, 32,992.06 and 7,204.86 is: 10,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.34 : 32,992.06 = 7,204.86 : x
  2. Step 2: Convert to fraction form
    21,999.34/32,992.06 = 7,204.86/x
  3. Step 3: Cross multiply
    21,999.34x = 32,992.06 × 7,204.86
  4. Step 4: Simplify right side
    21,999.34x = 237,703,173.41
  5. Step 5: Solve for x
    x = 237,703,173.41/21,999.34
  6. Step 6: Final answer
    x = 10,805.01

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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.