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Finding the Fourth Proportional to 19,520.08, 29,283 and 5,667.28

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Solution

The fourth proportional to 19,520.08, 29,283 and 5,667.28 is: 8,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.08 : 29,283 = 5,667.28 : x
  2. Step 2: Convert to fraction form
    19,520.08/29,283 = 5,667.28/x
  3. Step 3: Cross multiply
    19,520.08x = 29,283 × 5,667.28
  4. Step 4: Simplify right side
    19,520.08x = 165,954,960.24
  5. Step 5: Solve for x
    x = 165,954,960.24/19,520.08
  6. Step 6: Final answer
    x = 8,501.76

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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.