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Finding the Fourth Proportional to 35,325.54, 48,727.65 and 20,975.64

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Solution

The fourth proportional to 35,325.54, 48,727.65 and 20,975.64 is: 28,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,325.54 : 48,727.65 = 20,975.64 : x
  2. Step 2: Convert to fraction form
    35,325.54/48,727.65 = 20,975.64/x
  3. Step 3: Cross multiply
    35,325.54x = 48,727.65 × 20,975.64
  4. Step 4: Simplify right side
    35,325.54x = 1,022,093,644.45
  5. Step 5: Solve for x
    x = 1,022,093,644.45/35,325.54
  6. Step 6: Final answer
    x = 28,933.56

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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.