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Finding the Fourth Proportional to 27,043.20, 40,564.80 and 23,587.20

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Solution

The fourth proportional to 27,043.20, 40,564.80 and 23,587.20 is: 35,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.20 : 40,564.80 = 23,587.20 : x
  2. Step 2: Convert to fraction form
    27,043.20/40,564.80 = 23,587.20/x
  3. Step 3: Cross multiply
    27,043.20x = 40,564.80 × 23,587.20
  4. Step 4: Simplify right side
    27,043.20x = 956,810,050.56
  5. Step 5: Solve for x
    x = 956,810,050.56/27,043.20
  6. Step 6: Final answer
    x = 35,380.80

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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.