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Finding the Fourth Proportional to 8,684.96, 13,027.50 and 4,813.97

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Solution

The fourth proportional to 8,684.96, 13,027.50 and 4,813.97 is: 7,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.96 : 13,027.50 = 4,813.97 : x
  2. Step 2: Convert to fraction form
    8,684.96/13,027.50 = 4,813.97/x
  3. Step 3: Cross multiply
    8,684.96x = 13,027.50 × 4,813.97
  4. Step 4: Simplify right side
    8,684.96x = 62,713,929.04
  5. Step 5: Solve for x
    x = 62,713,929.04/8,684.96
  6. Step 6: Final answer
    x = 7,220.98

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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.