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Finding the Fourth Proportional to 35,118.44, 48,465.84 and 20,975.84

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Solution

The fourth proportional to 35,118.44, 48,465.84 and 20,975.84 is: 28,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,118.44 : 48,465.84 = 20,975.84 : x
  2. Step 2: Convert to fraction form
    35,118.44/48,465.84 = 20,975.84/x
  3. Step 3: Cross multiply
    35,118.44x = 48,465.84 × 20,975.84
  4. Step 4: Simplify right side
    35,118.44x = 1,016,611,705.31
  5. Step 5: Solve for x
    x = 1,016,611,705.31/35,118.44
  6. Step 6: Final answer
    x = 28,948.09

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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.