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Finding the Fourth Proportional to 30,448.73, 45,667.71 and 8,263.84

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Solution

The fourth proportional to 30,448.73, 45,667.71 and 8,263.84 is: 12,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.73 : 45,667.71 = 8,263.84 : x
  2. Step 2: Convert to fraction form
    30,448.73/45,667.71 = 8,263.84/x
  3. Step 3: Cross multiply
    30,448.73x = 45,667.71 × 8,263.84
  4. Step 4: Simplify right side
    30,448.73x = 377,390,534.44
  5. Step 5: Solve for x
    x = 377,390,534.44/30,448.73
  6. Step 6: Final answer
    x = 12,394.29

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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.