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Finding the Fourth Proportional to 52,662.40, 79,004.40 and 17,627.20

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Solution

The fourth proportional to 52,662.40, 79,004.40 and 17,627.20 is: 26,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,662.40 : 79,004.40 = 17,627.20 : x
  2. Step 2: Convert to fraction form
    52,662.40/79,004.40 = 17,627.20/x
  3. Step 3: Cross multiply
    52,662.40x = 79,004.40 × 17,627.20
  4. Step 4: Simplify right side
    52,662.40x = 1,392,626,359.68
  5. Step 5: Solve for x
    x = 1,392,626,359.68/52,662.40
  6. Step 6: Final answer
    x = 26,444.41

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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.