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Finding the Fourth Proportional to 35,601.80, 49,132.80 and 20,496.32

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Solution

The fourth proportional to 35,601.80, 49,132.80 and 20,496.32 is: 28,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,601.80 : 49,132.80 = 20,496.32 : x
  2. Step 2: Convert to fraction form
    35,601.80/49,132.80 = 20,496.32/x
  3. Step 3: Cross multiply
    35,601.80x = 49,132.80 × 20,496.32
  4. Step 4: Simplify right side
    35,601.80x = 1,007,041,591.30
  5. Step 5: Solve for x
    x = 1,007,041,591.30/35,601.80
  6. Step 6: Final answer
    x = 28,286.25

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1.5x scale

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.