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Finding the Fourth Proportional to 17,473.68, 26,083.64 and 16,172.69

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Solution

The fourth proportional to 17,473.68, 26,083.64 and 16,172.69 is: 24,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,473.68 : 26,083.64 = 16,172.69 : x
  2. Step 2: Convert to fraction form
    17,473.68/26,083.64 = 16,172.69/x
  3. Step 3: Cross multiply
    17,473.68x = 26,083.64 × 16,172.69
  4. Step 4: Simplify right side
    17,473.68x = 421,842,533.81
  5. Step 5: Solve for x
    x = 421,842,533.81/17,473.68
  6. Step 6: Final answer
    x = 24,141.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.