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Finding the Fourth Proportional to 35,806.60, 49,420.44 and 20,697.08

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Solution

The fourth proportional to 35,806.60, 49,420.44 and 20,697.08 is: 28,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.60 : 49,420.44 = 20,697.08 : x
  2. Step 2: Convert to fraction form
    35,806.60/49,420.44 = 20,697.08/x
  3. Step 3: Cross multiply
    35,806.60x = 49,420.44 × 20,697.08
  4. Step 4: Simplify right side
    35,806.60x = 1,022,858,800.32
  5. Step 5: Solve for x
    x = 1,022,858,800.32/35,806.60
  6. Step 6: Final answer
    x = 28,566.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.