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Finding the Fourth Proportional to 35,489.44, 48,975.66 and 19,574.32

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Solution

The fourth proportional to 35,489.44, 48,975.66 and 19,574.32 is: 27,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,489.44 : 48,975.66 = 19,574.32 : x
  2. Step 2: Convert to fraction form
    35,489.44/48,975.66 = 19,574.32/x
  3. Step 3: Cross multiply
    35,489.44x = 48,975.66 × 19,574.32
  4. Step 4: Simplify right side
    35,489.44x = 958,665,241.05
  5. Step 5: Solve for x
    x = 958,665,241.05/35,489.44
  6. Step 6: Final answer
    x = 27,012.69

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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.