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Finding the Fourth Proportional to 14,873.00, 20,523.21 and 8,904.51

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Solution

The fourth proportional to 14,873.00, 20,523.21 and 8,904.51 is: 12,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.00 : 20,523.21 = 8,904.51 : x
  2. Step 2: Convert to fraction form
    14,873.00/20,523.21 = 8,904.51/x
  3. Step 3: Cross multiply
    14,873.00x = 20,523.21 × 8,904.51
  4. Step 4: Simplify right side
    14,873.00x = 182,749,128.68
  5. Step 5: Solve for x
    x = 182,749,128.68/14,873.00
  6. Step 6: Final answer
    x = 12,287.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.