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Finding the Fourth Proportional to 34,618.40, 47,776.02 and 19,512.48

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Solution

The fourth proportional to 34,618.40, 47,776.02 and 19,512.48 is: 26,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,618.40 : 47,776.02 = 19,512.48 : x
  2. Step 2: Convert to fraction form
    34,618.40/47,776.02 = 19,512.48/x
  3. Step 3: Cross multiply
    34,618.40x = 47,776.02 × 19,512.48
  4. Step 4: Simplify right side
    34,618.40x = 932,228,634.73
  5. Step 5: Solve for x
    x = 932,228,634.73/34,618.40
  6. Step 6: Final answer
    x = 26,928.70

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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.