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Finding the Fourth Proportional to 17,214.63, 25,818.65 and 4,731.51

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Solution

The fourth proportional to 17,214.63, 25,818.65 and 4,731.51 is: 7,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,214.63 : 25,818.65 = 4,731.51 : x
  2. Step 2: Convert to fraction form
    17,214.63/25,818.65 = 4,731.51/x
  3. Step 3: Cross multiply
    17,214.63x = 25,818.65 × 4,731.51
  4. Step 4: Simplify right side
    17,214.63x = 122,161,291.57
  5. Step 5: Solve for x
    x = 122,161,291.57/17,214.63
  6. Step 6: Final answer
    x = 7,096.37

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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.