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Finding the Fourth Proportional to 17,897.86, 26,847.96 and 4,749.88

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Solution

The fourth proportional to 17,897.86, 26,847.96 and 4,749.88 is: 7,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.86 : 26,847.96 = 4,749.88 : x
  2. Step 2: Convert to fraction form
    17,897.86/26,847.96 = 4,749.88/x
  3. Step 3: Cross multiply
    17,897.86x = 26,847.96 × 4,749.88
  4. Step 4: Simplify right side
    17,897.86x = 127,524,588.24
  5. Step 5: Solve for x
    x = 127,524,588.24/17,897.86
  6. Step 6: Final answer
    x = 7,125.13

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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.