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Finding the Fourth Proportional to 34,825.88, 48,059.71 and 19,921.88

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Solution

The fourth proportional to 34,825.88, 48,059.71 and 19,921.88 is: 27,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,825.88 : 48,059.71 = 19,921.88 : x
  2. Step 2: Convert to fraction form
    34,825.88/48,059.71 = 19,921.88/x
  3. Step 3: Cross multiply
    34,825.88x = 48,059.71 × 19,921.88
  4. Step 4: Simplify right side
    34,825.88x = 957,439,485.35
  5. Step 5: Solve for x
    x = 957,439,485.35/34,825.88
  6. Step 6: Final answer
    x = 27,492.19

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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.