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Finding the Fourth Proportional to 35,597.11, 49,122.60 and 20,494.60

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Solution

The fourth proportional to 35,597.11, 49,122.60 and 20,494.60 is: 28,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,597.11 : 49,122.60 = 20,494.60 : x
  2. Step 2: Convert to fraction form
    35,597.11/49,122.60 = 20,494.60/x
  3. Step 3: Cross multiply
    35,597.11x = 49,122.60 × 20,494.60
  4. Step 4: Simplify right side
    35,597.11x = 1,006,748,037.96
  5. Step 5: Solve for x
    x = 1,006,748,037.96/35,597.11
  6. Step 6: Final answer
    x = 28,281.74

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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.