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Finding the Fourth Proportional to 17,699.06, 26,541.16 and 10,308.62

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Solution

The fourth proportional to 17,699.06, 26,541.16 and 10,308.62 is: 15,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.06 : 26,541.16 = 10,308.62 : x
  2. Step 2: Convert to fraction form
    17,699.06/26,541.16 = 10,308.62/x
  3. Step 3: Cross multiply
    17,699.06x = 26,541.16 × 10,308.62
  4. Step 4: Simplify right side
    17,699.06x = 273,602,732.80
  5. Step 5: Solve for x
    x = 273,602,732.80/17,699.06
  6. Step 6: Final answer
    x = 15,458.60

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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.