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Finding the Fourth Proportional to 34,754.61, 47,958.45 and 19,646.49

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Solution

The fourth proportional to 34,754.61, 47,958.45 and 19,646.49 is: 27,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,754.61 : 47,958.45 = 19,646.49 : x
  2. Step 2: Convert to fraction form
    34,754.61/47,958.45 = 19,646.49/x
  3. Step 3: Cross multiply
    34,754.61x = 47,958.45 × 19,646.49
  4. Step 4: Simplify right side
    34,754.61x = 942,215,208.34
  5. Step 5: Solve for x
    x = 942,215,208.34/34,754.61
  6. Step 6: Final answer
    x = 27,110.51

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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.