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Finding the Fourth Proportional to 21,765.08, 32,650.07 and 6,968.81

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Solution

The fourth proportional to 21,765.08, 32,650.07 and 6,968.81 is: 10,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,765.08 : 32,650.07 = 6,968.81 : x
  2. Step 2: Convert to fraction form
    21,765.08/32,650.07 = 6,968.81/x
  3. Step 3: Cross multiply
    21,765.08x = 32,650.07 × 6,968.81
  4. Step 4: Simplify right side
    21,765.08x = 227,532,134.32
  5. Step 5: Solve for x
    x = 227,532,134.32/21,765.08
  6. Step 6: Final answer
    x = 10,454.00

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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.