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Finding the Fourth Proportional to 34,857.54, 48,101.84 and 19,749.32

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Solution

The fourth proportional to 34,857.54, 48,101.84 and 19,749.32 is: 27,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.54 : 48,101.84 = 19,749.32 : x
  2. Step 2: Convert to fraction form
    34,857.54/48,101.84 = 19,749.32/x
  3. Step 3: Cross multiply
    34,857.54x = 48,101.84 × 19,749.32
  4. Step 4: Simplify right side
    34,857.54x = 949,978,630.75
  5. Step 5: Solve for x
    x = 949,978,630.75/34,857.54
  6. Step 6: Final answer
    x = 27,253.17

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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.