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Finding the Fourth Proportional to 8,797.54, 12,140.81 and 5,020.63

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Solution

The fourth proportional to 8,797.54, 12,140.81 and 5,020.63 is: 6,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.54 : 12,140.81 = 5,020.63 : x
  2. Step 2: Convert to fraction form
    8,797.54/12,140.81 = 5,020.63/x
  3. Step 3: Cross multiply
    8,797.54x = 12,140.81 × 5,020.63
  4. Step 4: Simplify right side
    8,797.54x = 60,954,537.16
  5. Step 5: Solve for x
    x = 60,954,537.16/8,797.54
  6. Step 6: Final answer
    x = 6,928.59

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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.