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Finding the Fourth Proportional to 35,059.64, 48,378.87 and 19,951.11

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Solution

The fourth proportional to 35,059.64, 48,378.87 and 19,951.11 is: 27,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,059.64 : 48,378.87 = 19,951.11 : x
  2. Step 2: Convert to fraction form
    35,059.64/48,378.87 = 19,951.11/x
  3. Step 3: Cross multiply
    35,059.64x = 48,378.87 × 19,951.11
  4. Step 4: Simplify right side
    35,059.64x = 965,212,157.05
  5. Step 5: Solve for x
    x = 965,212,157.05/35,059.64
  6. Step 6: Final answer
    x = 27,530.58

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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.