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Finding the Fourth Proportional to 17,897.72, 26,844.53 and 4,751.12

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Solution

The fourth proportional to 17,897.72, 26,844.53 and 4,751.12 is: 7,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.72 : 26,844.53 = 4,751.12 : x
  2. Step 2: Convert to fraction form
    17,897.72/26,844.53 = 4,751.12/x
  3. Step 3: Cross multiply
    17,897.72x = 26,844.53 × 4,751.12
  4. Step 4: Simplify right side
    17,897.72x = 127,541,662.36
  5. Step 5: Solve for x
    x = 127,541,662.36/17,897.72
  6. Step 6: Final answer
    x = 7,126.14

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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.