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Finding the Fourth Proportional to 10,083.28, 15,124.94 and 3,927.28

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Solution

The fourth proportional to 10,083.28, 15,124.94 and 3,927.28 is: 5,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.28 : 15,124.94 = 3,927.28 : x
  2. Step 2: Convert to fraction form
    10,083.28/15,124.94 = 3,927.28/x
  3. Step 3: Cross multiply
    10,083.28x = 15,124.94 × 3,927.28
  4. Step 4: Simplify right side
    10,083.28x = 59,399,888.36
  5. Step 5: Solve for x
    x = 59,399,888.36/10,083.28
  6. Step 6: Final answer
    x = 5,890.93

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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.