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Finding the Fourth Proportional to 35,598.80, 49,128.66 and 20,493.32

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Solution

The fourth proportional to 35,598.80, 49,128.66 and 20,493.32 is: 28,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,598.80 : 49,128.66 = 20,493.32 : x
  2. Step 2: Convert to fraction form
    35,598.80/49,128.66 = 20,493.32/x
  3. Step 3: Cross multiply
    35,598.80x = 49,128.66 × 20,493.32
  4. Step 4: Simplify right side
    35,598.80x = 1,006,809,350.55
  5. Step 5: Solve for x
    x = 1,006,809,350.55/35,598.80
  6. Step 6: Final answer
    x = 28,282.11

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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.