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Finding the Fourth Proportional to 8,758.44, 12,087.01 and 4,982.27

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Solution

The fourth proportional to 8,758.44, 12,087.01 and 4,982.27 is: 6,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.44 : 12,087.01 = 4,982.27 : x
  2. Step 2: Convert to fraction form
    8,758.44/12,087.01 = 4,982.27/x
  3. Step 3: Cross multiply
    8,758.44x = 12,087.01 × 4,982.27
  4. Step 4: Simplify right side
    8,758.44x = 60,220,809.10
  5. Step 5: Solve for x
    x = 60,220,809.10/8,758.44
  6. Step 6: Final answer
    x = 6,875.74

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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.