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Finding the Fourth Proportional to 8,905.73, 13,363.24 and 6,460.73

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Solution

The fourth proportional to 8,905.73, 13,363.24 and 6,460.73 is: 9,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.73 : 13,363.24 = 6,460.73 : x
  2. Step 2: Convert to fraction form
    8,905.73/13,363.24 = 6,460.73/x
  3. Step 3: Cross multiply
    8,905.73x = 13,363.24 × 6,460.73
  4. Step 4: Simplify right side
    8,905.73x = 86,336,285.57
  5. Step 5: Solve for x
    x = 86,336,285.57/8,905.73
  6. Step 6: Final answer
    x = 9,694.46

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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.