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Finding the Fourth Proportional to 12,903.25, 19,355.08 and 5,882.98

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Solution

The fourth proportional to 12,903.25, 19,355.08 and 5,882.98 is: 8,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.25 : 19,355.08 = 5,882.98 : x
  2. Step 2: Convert to fraction form
    12,903.25/19,355.08 = 5,882.98/x
  3. Step 3: Cross multiply
    12,903.25x = 19,355.08 × 5,882.98
  4. Step 4: Simplify right side
    12,903.25x = 113,865,548.54
  5. Step 5: Solve for x
    x = 113,865,548.54/12,903.25
  6. Step 6: Final answer
    x = 8,824.56

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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.