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Finding the Fourth Proportional to 34,843.68, 48,084.68 and 18,928.36

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Solution

The fourth proportional to 34,843.68, 48,084.68 and 18,928.36 is: 26,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,843.68 : 48,084.68 = 18,928.36 : x
  2. Step 2: Convert to fraction form
    34,843.68/48,084.68 = 18,928.36/x
  3. Step 3: Cross multiply
    34,843.68x = 48,084.68 × 18,928.36
  4. Step 4: Simplify right side
    34,843.68x = 910,164,133.52
  5. Step 5: Solve for x
    x = 910,164,133.52/34,843.68
  6. Step 6: Final answer
    x = 26,121.35

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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.