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Finding the Fourth Proportional to 8,443.97, 11,652.31 and 4,666.94

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Solution

The fourth proportional to 8,443.97, 11,652.31 and 4,666.94 is: 6,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.97 : 11,652.31 = 4,666.94 : x
  2. Step 2: Convert to fraction form
    8,443.97/11,652.31 = 4,666.94/x
  3. Step 3: Cross multiply
    8,443.97x = 11,652.31 × 4,666.94
  4. Step 4: Simplify right side
    8,443.97x = 54,380,550.04
  5. Step 5: Solve for x
    x = 54,380,550.04/8,443.97
  6. Step 6: Final answer
    x = 6,440.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.