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Finding the Fourth Proportional to 27,223.38, 40,835.28 and 7,503.02

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Solution

The fourth proportional to 27,223.38, 40,835.28 and 7,503.02 is: 11,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,223.38 : 40,835.28 = 7,503.02 : x
  2. Step 2: Convert to fraction form
    27,223.38/40,835.28 = 7,503.02/x
  3. Step 3: Cross multiply
    27,223.38x = 40,835.28 × 7,503.02
  4. Step 4: Simplify right side
    27,223.38x = 306,387,922.55
  5. Step 5: Solve for x
    x = 306,387,922.55/27,223.38
  6. Step 6: Final answer
    x = 11,254.59

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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.