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Finding the Fourth Proportional to 30,554.36, 45,843.18 and 15,753.84

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Solution

The fourth proportional to 30,554.36, 45,843.18 and 15,753.84 is: 23,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.36 : 45,843.18 = 15,753.84 : x
  2. Step 2: Convert to fraction form
    30,554.36/45,843.18 = 15,753.84/x
  3. Step 3: Cross multiply
    30,554.36x = 45,843.18 × 15,753.84
  4. Step 4: Simplify right side
    30,554.36x = 722,206,122.81
  5. Step 5: Solve for x
    x = 722,206,122.81/30,554.36
  6. Step 6: Final answer
    x = 23,636.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.