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Finding the Fourth Proportional to 8,757.63, 12,071.40 and 5,923.97

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Solution

The fourth proportional to 8,757.63, 12,071.40 and 5,923.97 is: 8,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.63 : 12,071.40 = 5,923.97 : x
  2. Step 2: Convert to fraction form
    8,757.63/12,071.40 = 5,923.97/x
  3. Step 3: Cross multiply
    8,757.63x = 12,071.40 × 5,923.97
  4. Step 4: Simplify right side
    8,757.63x = 71,510,551.10
  5. Step 5: Solve for x
    x = 71,510,551.10/8,757.63
  6. Step 6: Final answer
    x = 8,165.52

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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.