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Finding the Fourth Proportional to 26,897.88, 40,347.90 and 9,369.48

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Solution

The fourth proportional to 26,897.88, 40,347.90 and 9,369.48 is: 14,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.88 : 40,347.90 = 9,369.48 : x
  2. Step 2: Convert to fraction form
    26,897.88/40,347.90 = 9,369.48/x
  3. Step 3: Cross multiply
    26,897.88x = 40,347.90 × 9,369.48
  4. Step 4: Simplify right side
    26,897.88x = 378,038,842.09
  5. Step 5: Solve for x
    x = 378,038,842.09/26,897.88
  6. Step 6: Final answer
    x = 14,054.60

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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.