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Finding the Fourth Proportional to 23,920.45, 35,871.09 and 9,882.64

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Solution

The fourth proportional to 23,920.45, 35,871.09 and 9,882.64 is: 14,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.45 : 35,871.09 = 9,882.64 : x
  2. Step 2: Convert to fraction form
    23,920.45/35,871.09 = 9,882.64/x
  3. Step 3: Cross multiply
    23,920.45x = 35,871.09 × 9,882.64
  4. Step 4: Simplify right side
    23,920.45x = 354,501,068.88
  5. Step 5: Solve for x
    x = 354,501,068.88/23,920.45
  6. Step 6: Final answer
    x = 14,820.00

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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.